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Gilles L'EspéranceDepartment of Mathematics and Industrial Engineering
Profile in the Directory of Experts of Polytechnique Montréal
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Paques, M., Khan, W. N., Chakraborty, A., Changeux, B., Turenne, S., Masse, J.-P., L'Espérance, G., & Martin, É. (2025). Effect of Vibratory Peening Parameters on Surface Properties of Ti-6Al-4 V Titanium Alloy: Experimental and Statistical Approach. Journal of Materials Engineering and Performance, 15 pages. External link
Beaulieu, P., Christopherson, D., Sioui-Latulippe, O., & L'Espérance, G. (2025). A novel high carbon, high chromium tool steel powder for elevated temperature tribological applications. Materials Science and Technology. External link
Laramée, G., Gélinas, S., Plamondon, P., Masse, J.-P., L'Espérance, G., & Blais, C. (2025). Characterization of the chemistry of oxides formed on the surface of water-atomized steel particles during annealing. Journal of the Japan Society of Powder and Powder Metallurgy, 72(Supplement), S555-S562. Available
Castillo-Sánchez, J.-R., Salloum-Abou-Jaoude, G., Gheribi, A. E., Lafaye, P., Oishi, K., Masse, J.-P., Bousser, É., L'Espérance, G., & Harvey, J.-P. (2024). Synthesis and characterization of (Al,Si)₃(Zr,Ti)-D0₂₂/D0₂₃ intermetallics: Understanding the stability of silicon substitution. Acta Materialia, 262, 119455 (18 pages). Available
Sioui-Latulippe, O., Beaulieu, P., Boisvert, M., Masse, J.-P., Christopherson, D., & L'Espérance, G. (2021). The Characterization of a Gas-Atomized Ferritic Steel Powder Pre-alloyed with 6 Wt Pct Aluminum. Metallurgical and Materials Transactions A-Physical Metallurgy and Materials Science, 52(7), 3051-3063. External link
Debia, M., Carpentier, M., & L'Espérance, G. (2021). Characterization of Occupational Exposures to Engineered Nanoparticles During the Finishing Process of a Hardwood Floor Manufacturing Plant. Annals of Work Exposures and Health, 65(7), 868-873. External link
Da Silveira Fleck, A., Catto, C., L'Espérance, G., Masse, J.-P., Roberge, B., & Debia, M. (2020). Characterization and Quantification of Ultrafine Particles and Carbonaceous Components from Occupational Exposures to Diesel Particulate Matter in Selected Workplaces. Annals of Work Exposures and Health, 64(5), 490-502. External link
Brunner, P.-L. M., Masse, J.-P., L'Espérance, G., & Wuest, J. D. (2020). Imaging layers in thin-film molecular devices by transmission electron microscopy, using milling by focused ion beams and deposition on NaCl and Si. Canadian Journal of Chemistry, 98(9), 582-588. External link
Ilia, E., Plamondon, P., Masse, J.-P., & L'Espérance, G. (2019). Copper precipitation at engine operating temperatures in powder-forged connecting rods manufactured with Fe–Cu–C alloys. Materials Science & Engineering A, 767, 138383 (9 pages). Available
Xu, C., Quinn, B., Laberge Lebel, L., Therriault, D., & L'Espérance, G. (2019). Multi-material direct ink writing (DIW) for complex 3D metallic structures with removable supports. ACS Applied Materials & Interfaces, 11(8), 8499-8506. Available
Nath, S. D., Clinning, E., Gupta, G., Wuelfrath-Poirier, V., L'Espérance, G., Gulsoy, O., Kearns, M., & Atre, S. V. (2019). Effects of Nb and Mo on the microstructure and properties of 420 stainless steel processed by laser-powder bed fusion. Additive Manufacturing, 28, 682-691. External link
Xu, C., Wu, Q., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2018). Environment-friendly and reusable ink for 3D printing of metallic structures. Materials & Design, 160, 262-269. Available
Nobari, A. H., Bouchemit, A. A., Da Silva Marques, A., St-Laurent, S., & L'Espérance, G. (2018). Solder Powder Characteristics and Their Impact on Rheological Behavior of Solder Pastes. SMTA International, 20(1). Presented at SMTA International 2018, Chicago, IL, USA. External link
Kouassi, S., Catto, C., Ostiguy, C., L'Espérance, G., Kroeger, J., Debia, M., & Plamondon, P. (2017). Erratum : Exposure Assessment in a Single-Walled Carbon Nanotube Primary Manufacturer. Annals of Work Exposures and Health, 61(4), 497-497. External link
Martin, J., Beauparlant, M., Sauvé, S., & L'Espérance, G. (2017). Effect of accelerating voltage on beam damage of asbestos fibers in the transmission electron microscope (TEM). Micron, 96, 1-8. External link
Kouassi, S., Catto, C., Ostiguy, C., L'Espérance, G., Kroeger, J., & Debia, M. (2017). Exposure Assessment in a Single-Walled Carbon Nanotube Primary Manufacturer. Annals of Work Exposures and Health, 61(2), 260-266. External link
Xu, C., Bouchemit, A., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2017). Solvent-cast based metal 3D printing and secondary metallic infiltration. Journal of Materials Chemistry C, 5(40), 10448-10455. External link
Boisvert, M., Christopherson, D., Beaulieu, P., & L'Espérance, G. (2017). Treatment of ferrous melts for the improvement of the sphericity of water atomized powders. Materials & Design, 116, 644-655. External link
L'Espérance, G., Bailon, J.-P., Sioui-Latulippe, O., Hunt, J., & Gubbens, S. (2016). Design of a HAADF Detector for Z Contrast in SEM. Microscopy and Microanalysis, 22(S3), 622-623. External link
Bejjani, R., Balazinski, M., Attia, H., Plamondon, P., & L'Espérance, G. (2016). Chip formation and microstructure evolution in the adiabatic shear band when machining titanium metal matrix composites. International Journal of Machine Tools and Manufacture, 109, 137-146. External link
Martin, J., Beauparlant, M., Sauvé, S., & L'Espérance, G. (2016). Effect of temperature on beam damage of asbestos fibers in the transmission electron microscope (TEM) at 100kV. Micron, 94, 26-36. External link
Boisvert, M., Christopherson, D., & L'Espérance, G. (2016). Observation of Nanometric Silicon Oxide Bifilms in a Water-Atomized Hypereutectic Cast Iron Powder. Metallurgical and Materials Transactions B, 47(5), 2971-2978. External link
Martin, J., Beauparlant, M., Sauvé, S., & L'Espérance, G. (2016). On The threshold conditions for electron beam damage of asbestos amosite fibers in the transmission electron microscope (tem). Journal of Occupational and Environmental Hygiene, 13(12), 924-935. External link
Dolez, P., Cloutier, Y., Noël, A., Tabet, L., Gautrin, D., Debia, M., L'Espérance, G., Hallé, S., Bahloul, A., & Vinches, L. (2013). Advancement in Québec Research on the Prevention of Risks Related to Occupational Exposure to Nanomaterials. [Avancement des recherches au Québec sur la prévention des risques liés à l'exposition professionnelle aux nanomatériaux]. Relations Industrielles-Industrial Relations, 68(4), 623-642. External link
Noël, A., L'Espérance, G., Cloutier, Y., Plamondon, P., Boucher, J., Philippe, S., Dion, C., Truchon, G., & Zayed, J. (2013). Assessment of the Contribution of Electron Microscopy to Nanoparticle Characterization Sampled With Two Cascade Impactors. Journal of Occupational and Environmental Hygiene, 10(3), 155-172. External link
Beaudet, F., Blais, C., Lehuy, H., Voyzelle, B., L'Espérance, G., Masse, J.-P., & Krishnadev, M. (2012). Improvement of Hardenability and Static Mechanical Properties of P20+0.5ni Mold Steel Through Additions of Vanadium and Boron. ISIJ International, 52(3), 424-433. External link
Baïlon-Poujol, I., Bailon, J.-P., & L'Espérance, G. (2011). Ball-mill grinding kinetics of master alloys for steel powder metallurgy applications. Powder Technology, 210(3), 267-272. External link
Bernier, F., Beaulieu, P., Bailon, J.-P., & L'Espérance, G. (2011). Effect of Cu infiltration on static and dynamic properties of PM steels. Powder Metallurgy, 54(3), 314-319. External link
Bernier, F., Plamondon, P., Bailon, J.-P., & L'Espérance, G. (2011). Microstructural characterisation of nickel rich areas and their influence on endurance limit of sintered steel. Powder Metallurgy, 54(5), 559-565. External link
Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2010). Modified interfacial tensions measured in situ in ternary polymer blends demonstrating partial wetting. Polymer, 51(6), 1472-1484. External link
L'Espérance, G., Plamondon, P., Kunst, M., & Fischersworring-Bunk, A. (2009). Characterization of intermetallics in Mg–Al–Sr AJ62 alloys. Intermetallics, 18(1), 1-7. External link
Blais, C., L'Espérance, G., & Plamondon, P. (2009). Characterization of powders and pm components utilizing transmission electron microscopy. International Journal of Powder Metallurgy, 45(2), 29-38. Unavailable
Salehi, F., Zayed, J., Audusseau, S., Müller, C., Truchon, G., Plamondon, P., L'Espérance, G., Chevalier, G., & Mazer, B. (2009). Immunological Responses in C3h/Hej Mice Following Nose-Only Inhalation Exposure to Different Sizes of Beryllium Metal Particles. Journal of Applied Toxicology, 29(1), 61-68. External link
Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2009). In situ measure of interfacial tensions in ternary and quaternary immiscible polymer blends demonstrating partial wetting. Macromolecules, 42(19), 7518-7529. External link
Bernier, F., Bailon, J.-P., & L'Espérance, G. (2009). Microstructural characterization and mechanical properties of free-machining sintered steel parts containing up to 1 Wt Pct MnS. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 40(10), 2291-2300. External link
Scherm, F., Völkl, R., van Smaalen, S., Mondal, S., Plamondon, P., L'Espérance, G., Bechmann, F., & Glatzel, U. (2009). Microstructural characterization of interpenetrating light weight metal matrix composites. Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 518(1-2), 118-123. External link
Kunst, M., Fischersworring-Bunk, A., L'Espérance, G., Plamondon, P., & Glatzel, U. (2009). Microstructure and dislocation analysis after creep deformation of die-cast Mg-Al-Sr (AJ) alloy. Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing, 510-511(3-6), 387-392. External link
Müller, C., L'Espérance, G., Plamondon, P., Kennedy, G. G., & Zayed, J. (2008). Characterization of Beryllium Particles From Calsifrit. Journal of Toxicology and Environmental Health-Part a-Current Issues, 71(16), 1091-1099. External link
Calatoru, V. D., Balazinski, M., Mayer, J. R. R., Paris, H., & L'Espérance, G. (2008). Diffusion Wear Mechanism During High-Speed Machining of 7475-T7351 Aluminum Alloy With Carbide End Mills. Wear, 265(11-12), 1793-1800. External link
Boilard, P., L'Espérance, G., & Blais, C. (2008). Effect of Prealloyed Mns Content and Sintered Density on Machinability and Mechanical Properties. International Journal of Powder Metallurgy, 44(2), 33-40. Unavailable
Lonescu-Vasii, L. L., Wood-Adams, P. M., Duchesne, E., L'Espérance, G., Karjala, T., & Ansems, P. (2007). Morphological Analysis of Highly Filled Propylene/Ethylene Copolymers. Journal of Applied Polymer Science, 105(6), 3757-3772. External link
Blais, C., Serafini, R. E., & L'Espérance, G. (2005). Effect of Hydrogen Concentration in Cooling Zone on Sinter Hardening. International Journal of Powder Metallurgy, 41(4), 33-41. Unavailable
Virgilio, N., Favis, B. D., Pepin, M. F., Desjardins, P., & L'Espérance, G. (2005). High Contrast Imaging of Interphases in Ternary Polymer Blends Using Focused Ion Beam Preparation and Atomic Force Microscopy. Macromolecules, 38(6), 2368-2375. External link
Rouleau, M., Dion, C., Plamondon, P., Kennedy, G. G., L'Espérance, G., & Zayed, J. (2005). Physical and Chemical Characterization of Beryllium Particles From Several Workplaces in Québec, Canada - Part A: Determining Methods for the Analysis of Low Levels of Beryllium. Journal of Toxicology and Environmental Health-Part a-Current Issues, 68(21), 1889-1905. External link
Rouleau, M., Dion, C., Plamondon, P., L'Espérance, G., & Zayed, J. (2005). Physical and Chemical Characterization of Beryllium Particles From Several Workplaces in Québec, Canada - Part B: Time-of-Flight Secondary-Ion Mass Spectroscopy. Journal of Toxicology and Environmental Health-Part a-Current Issues, 68(21), 1907-1916. External link
Imai, T., Mao, J. F., Dong, S. L., Shigematsu, I., Saito, N., & L'Espérance, G. (2004). High Strain Rate Superplasticity of Tic Particulate Reinforced 2014 Aluminum Alloy Composites. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 364(1-2), 281-286. External link
Beaupré, L. A., Salehi, F., Zayed, J., Plamondon, P., & L'Espérance, G. (2004). Physical and Chemical Characterization of Mn Phosphate/Sulfate Mixture Used in an Inhalation Toxicology Study. Inhalation Toxicology, 16(4), 231-244. External link
Zhong, W. M., L'Espérance, G., & Suéry, M. (2002). Effect of current Mg concentration on interfacial reactions during remelting of Al-Mg(5083)/Al₂O₃P composites. Materials Characterization, 49(2), 113-119. External link
Blais, C., & L'Espérance, G. (2002). Turning and Drilling of Parts Made From Sinter Hardenable Steel Powders. Powder Metallurgy, 45(1), 39-47. External link
Blais, C., L'Espérance, G., & Bourgeois, I. (2001). Characterisation of Machinability of Sintered Steels During Drilling Operations. Powder Metallurgy, 44(1), 67-76. External link
Dionne, M., Mirchi, A., & L'Espérance, G. (2001). Microscopic Characterization of a TiB₂-Carbon Material Composite: Raw Materials and Composite Characterization. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 32(10), 2649-2656. External link
Blais, C., & L'Espérance, G. (2001). Optimization of Machining Operations of Parts Made of High Performance Alloyed Powders. Journal of materials and manufacturing, 110(5), 275-280. External link
Blais, C., L'Espérance, G., & Forget, C. (2000). Method based on integrated microscopy to determine the fraction of alloyed/unalloyed particles in P/M steel powders and parts. P/M science & technology briefs, 2(5), 18-23. Unavailable
Duchesne, E., L'Espérance, G., & De Rege, A. (2000). Sinter-Hardening and Hardenability. International Journal of Powder Metallurgy, 36(1), 49-60. Unavailable
Blais, C., L'Espérance, G., & Evans, G. M. (1999). Characterisation of Inclusions Found in C-Mn Steel Welds Containing Titanium. Science and Technology of Welding and Joining, 4(3), 143-150. External link
Zayed, J., Hong, B., & L'Espérance, G. (1999). Characterization of Manganese Containing Particles Collected From the Exhaust Emissions of Automobiles Running With Mmt Additive. Environmental Science & Technology, 33(19), 3341-3346. External link
Duchesne, E., L'Espérance, G., & Forget, C. (1999). Development of an automatic procedure based on microhardness to identify martensite, bainite and pearlite in sinter hardened parts. Advances in powder metallurgy and particulate materials, 3, 12.151-12.164-12.151-12.164. Unavailable
Ardeleanu, A., Loranger, S., Kennedy, G. G., L'Espérance, G., & Zayed, J. (1999). Emission rates and physico-chemical characteristics of Mn particles emitted by vehicles using Methylcyclopentadienyl Manganese Tricarbonyl (MMT) as an octane improver. Water, Air, and Soil Pollution, 115(1/4), 411-427. External link
Baril, E., & L'Espérance, G. (1999). Studies of the morphology of the al-rich interfacial layer formed during the hot dip galvanizing of steel sheet. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 30(3A), 681-695. External link
Blais, C., L'Espérance, G., & Baril, É. (1998). Characterization of 25-75 nm phases found at the peripyhery of multiphase inclusions: techniques comparison and selection. Journal of Microscopy, 189(3), 249-262. External link
Blais, C., & L'Espérance, G. (1998). Characterization of Inclusions in Steel: When Not Only Size Matters. CIM Bulletin, 91(1021), 116-120. External link
Blais, C., L'Espérance, G., & Miele, P. (1998). Experimental evaluation of the reducibility of oxide particles found in powders and P/M parts. Advances in powder metallurgy and particulate materials (1), 2.41-2.50-2.41-2.50. Unavailable
Blais, C., L'Espérance, G., LeHuy, H., & Forget, C. (1997). Development of an integrated method for fully characterizing multiphase inclusions and its application to calcium-treated steels. Materials Characterization, 38(1), 25-37. External link
Zayed, J., L'Espérance, G., Loranger, S., Pfeifer, G. D., & Kennedy, G. G. (1997). Exposure to respirable and total manganese and the contribution of MMT (methylcyclopentadienyl manganese tricarbonyl) used in unleaded gasoline. AIHA journal. Unavailable
Ababou, Y., Desjardins, P., Chennouf, A., Masut, R. A., Yelon, A., Beaudoin, M., Bensaada, A., Leonelli, R., & L'Espérance, G. (1997). Optical absorption and determination of band offset in strain-balanced GaInP/InAsP multiple quantum wells grown by low-pressure metalorganic vapor phase epitaxy. Semiconductor Science and Technology, 12(5), 550-554. External link
Lefebvre, L. P., L'Espérance, G., & Suéry, M. (1997). Particle degradation during remelting of Al-1 pct Mg alloy reinforced with SiCp coated with sol-gel-produced TiO2. Journal of Materials Science, 32(15), 3987-3994. External link
Tremblay, S., Ronaldi, J., Baril, E., Laroche, S., L'Espérance, G., & Baseotto, G. (1997). Système de caractérisation des matériaux intégrés pour les microscopies optiques et électroniques, l'analyse d'images et la spectrométrie EDX. Revue matériaux et techniques (11-12), 57-60. Unavailable
L'Espérance, G., Duchesne, E., & De Rege, A. (1996). Effect of materials and process parameters on microstructure and properties of sinter hardening alloys. Advances in powder metallurgy and particulate materials, 3(11), 397-413. Unavailable
Blandin, J. J., Hong, B., Varloteaux, A., Suéry, M., & L'Espérance, G. (1996). Effect of the nature of grain boundary regions on cavitation of a superplastically deformed aluminium alloy. ACTA Materialia, 44(6), 2317-2326. External link
Zhong, W. M., Goiffon, E., L'Espérance, G., Suéry, M., & Blandin, J. J. (1996). Effect of thermomechanical processing on the microstructure and mechanical properties of Al-Mg (5083)/SiCp and Al-Mg (5083)/Al₂O₃ p composites. Part 1 : Dynamic recrystallization of the composites. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 214(1-2), 84-92. External link
Zhong, W. M., L'Espérance, G., & Suéry, M. (1996). Effect of thermomechanical processing on the microstructure and mechanical properties of Al-Mg (5083)/SiCp and Al-Mg (5083)/Al₂O₃ p composites. Part 2 : Tensile properties at different temperatures. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 214(1-2), 93-103. External link
Zhong, W. M., L'Espérance, G., & Suéry, M. (1996). Effect of thermomechanical processing on the microstructure and mechanical properties of Al-Mg (5083)/SiCp and Al-Mg (5083)/Al₂O₃ p composites. Part 3 : Fracture mechanisms of the composites. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 214(1-2), 104-114. External link
Tsunemichi, I., Sumito, K., L'Espérance, G., Bande, H., & Daming, J. (1996). Effect of volume fraction of aln particle on superplasticity of aln/6061 aluminum alloy composite. Scripta Materialia, 35(10), 1199-1204. External link
Hajjaji, M., Cutler, L., & L'Espérance, G. (1996). Effects of lithium addition and wheel velocity on the microstructure of aluminium-lithium alloy ribbons. Journal of Materials Science, 31(4), 1027-1034. External link
Imai, T., Kojima, S., L'Espérance, G., Hong, B. D., Jiang, D., & Nieh, T. G. (1996). Effects of temperature on the superplastic characteristics of a powder-metallurgy pure aluminum. Scripta Materialia, 35(10), 1189-1193. External link
Zayed, J., Mikhail, M., Loranger, S., Kennedy, G. G., & L'Espérance, G. (1996). Exposure of taxi drivers and office workers to total and respirable manganese in an urban-environment. American Industrial Hygiene Association Journal, 57(4), 376-380. External link
Imai, T., Tochigi, I., Ai, K., L'Espérance, G., & Hong, B. (1996). High-strain rate superplasticity of a beta-si3n4 whisker-reinforced pure aluminum composite made by squeeze casting. Scripta Materialia, 34(10), 1627-1631. External link
Zhong, W., L'Espérance, G., & Suéry, M. (1996). Interfacial reactions in Al-Mg(5083) SiCp composites during fabrication and remelting. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 26(10), 2637-2649. External link
Ababou, Y., Desjardins, P., Masut, R. A., Yelon, A., & L'Espérance, G. (1996). Metalorganic vapor phase epitaxy and structural characterization of InP on Si(111). Canadian Journal of Physics, 74(1), S108-S111. External link
Guillet, A., Es-Sadiqi, E., L'Espérance, G., & Hamel, F. G. (1996). Microstructure and mechanical properties of strip cast 1008 steel after simulated coiling and batch annealing, cold rolling. ISIJ International, 36(9), 1190-1198. External link
Hajjaji, M., Cutler, L., & L'Espérance, G. (1996). Phases in as-spun and aged binary aluminium-lithium ribbons. Journal of Materials Science, 31(14), 3715-3721. External link
Beaudoin, M., Bensaada, A., Leonelli, R., Desjardins, P., Masut, R. A., Isnard, L., Chennouf, A., & L'Espérance, G. (1996). Self-consistent determination of the band offsets in InAsₓP₁₋ₓ/InP strained layer quantum wells and the bowing parameter of bulk InAsₓP₁₋ₓ. Physical review. B, Condensed matter, 53(4), 1990-1996. External link
Ababou, Y., Desjardins, P., Chennouf, A., Leonelli, R., Hetherington, D., Yelon, A., L'Espérance, G., & Masut, R. A. (1996). Structural and optical charact. of InP grown on Si(111) by metalorganic vapor phase epitaxy using thermal cycle growth. Journal of Applied Physics, 80(9), 499-505. External link
Desjardins, P., Beaudoin, M., Leonelli, R., L'Espérance, G., & Masut, R. A. (1996). Structural and optical properties of strain-relaxed InAsP/InP heterostructures grown by metalorganic vapor phase epitaxy on InP(001) using tertiarybutylarsine. Journal of Applied Physics, 80(2), 846-852. External link
Barreto, M. P., Veillette, R., & L'Espérance, G. (1995). Development and application of a dry ultramicrotomy technique for the preparation of galvanneal sheet coatings. Microscopy Research and Technique, 31(4), 293-299. External link
Imai, T., L'Espérance, G., Hong, B. D., & Kojima, S. (1995). High strain rate superplasticity of aln particulate reinforced 1n90 pure aluminum composite. Scripta Metallurgica Et Materialia, 33(8), 1333-1338. External link
Imai, T., L'Espérance, G., Hong, B. D., & Tozawa, Y. (1995). High strain rate superplasticity of tib2 particulate reinforced aluminium alloy composite. Journal of Materials Science Letters, 14(5), 373-376. External link
Zhong, W. M., L'Espérance, G., & Suéry, M. (1995). Interfacial reactions in al-mg (5083)/al(2)o(3)p composites during fabrication and remelting. Metallurgical and Materials Transactions. A, Physical Metallurgy and Materials Science, 26(10), 2625-2635. External link
González, G., Salvò, L., Suéry, M., & L'Espérance, G. (1995). Interfacial reactions in al-mg metal matrix composites reinforced with (sn/sb) oxide coated sic particles. Scripta Metallurgica Et Materialia, 33(12), 1969-1975. External link
Tremblay, A., Tremblay, S., Favis, B. D., Selmani, A., & L'Espérance, G. (1995). Locating the modifier in a polymer blend by electron energy-loss spectroscopy. Macromolecules, 28(13), 4771-4773. External link
Hovington, P., L'Espérance, G., Baril, E., & Rigaud, M. (1995). Monitoring the performance of energy-dispersive spectrometer detectors at low-energy. Journal of scanning microscopy, 17(3), 136-138. External link
Botton, G. A., L'Espérance, G., Gallerneault, C. E., & Ball, M. D. (1995). Volume fraction measurement of dispersoids in a thin foil by parallel energy-loss spectroscopy: development and assessment of the technique. Journal of Microscopy, 80(3), 217-229. External link
Botton, G., & L'Espérance, G. (1994). Development, quantitative performance and applications of a parallel electron energy-loss spectrum imaging system. Journal of Microscopy, 173(1), 9-25. External link
Imai, T., L'Espérance, G., Hong, B. D., & Tozawa, Y. (1994). Fabrication and properties of tic particulate reinforced aluminium alloy composite foils. Journal of Materials Science Letters, 13(13), 963-965. External link
Simoneau, M., L'Espérance, G., & Schulz, R. (1994). Formation by ball milling and recrystallization of Y-Ba-Cu-O nanocrystalline phases. Journal of Applied Physics, 76(1), 163-171. External link
Imai, T., L'Espérance, G., & Hong, B. D. (1994). High strain rate superplasticity of aln particulate reinforced aluminium alloy composites. Scripta Metallurgica Et Materialia, 31(3), 321-326. External link
Salvò, L., L'Espérance, G., Suéry, M., & Legoux, J. G. (1994). Interfacial reactions and age hardening in Al-Ms-Si metal matrix composites reinforced with SiC particles. Materials Science and Engineering. Part A, Structural materials: properties, microstructure and processing, 177(1), 173-183. External link
Simoneau, M., L'Espérance, G., Trudeau, M. L., & Schulz, R. (1994). Structural and magnetic characterization of granular Y₁Ba₂Cu₃O₇₋δ nanocrystalline powders. Journal of Materials Research, 9(3), 535-540. External link
Botton, G., & L'Espérance, G. (1994). A TEM/STEM PEELS spectrum--imaging system and some applications in materials science. Electron Optics Bulletin, 133, 35-38. Unavailable
Hong, B. D., L'Espérance, G., Dickson, J. I., & Meng, Q. C. (1994). Trace rotations of planar features with foil tilting on transmission electron-micrographs. Materials Characterization, 32(1), 3-13. External link
L'Espérance, G., Hong, B. D., Gagné, M., & Barnhurst, R. J. (1993). Microstructural characterization of a new Zn-based creep-resistant alloy. Materials Science and Engineering A, 172(1-2), 1-14. External link
Allem, R., Lavallée, F., L'Espérance, G., Schulz, R., & Trudeau, M. L. (1992). Interfacial reactions between Y₁Ba₂Cu₃O₇−x and Ag–Pd alloys during high temperature heat treatments. Journal of materials research, 7(11), 2936-2941. External link
Gauvin, R., & L'Espérance, G. (1992). A Monte Carlo code to simulate the effect of fast secondary electrons on κAB factors and spatial resolution in the TEM. Journal of Microscopy, 168(2), 153-167. External link
Hajjaji, M., Cutler, L. R., & L'Espérance, G. (1992). Effects of processing parameters on aluminium-lithium ribbon production. Journal of Alloys and Compounds, 188, 194-197. External link
Lavallée, F., Simoneau, M., L'Espérance, G., & Schulz, R. (1991). Order-disorder transitions and metastable phases produced by mechanical deformations in the YBa₂Cu₃O₇−ₓ superconducting system. Physical review. B, Condensed matter, 44(21), 12003-12008. External link
Maccagno, T. M., Koul, A. K., Immarigeon, J.-P., Cutler, L. R., Allem, R., & L'Espérance, G. (1990). Microstructure, creep properties, and rejuvenation of service-exposed alloy 713C turbine blades. Metallurgical Transactions A, 21(12), 3115-3125. External link
L'Espérance, G., Botton, G. A., & Dallaire, S. (1990). Analytical transmission electron microscopycharacterization of plasma spray synthesized TiB₂-Fe coatings. Thin Solid Films, 193-194, 442-452. External link
Bérubé, L. P., & L'Espérance, G. (1989). A Quantitative Method of Determining the Degree of Texture of Zinc Electrodeposits. Journal of The Electrochemical Society, 136(8), 2314-2315. External link
Dickson, J. I., L'Espérance, G., & Turenne, S. (1986). Factors influencing the spacings between dipolar walls in cyclic deformation. Scripta Metallurgica, 20(12), 1661-1666. External link
L'Espérance, G., Loretto, M. H., Roberts, W. T., Price, D. C., & Wilson, D. V. (1984). Tensile properties of a 2014 aluminum alloy in the temperature range 250° to 500 °C. Metallurgical Transactions A, 15(5), 913-922. External link
Dickson, J. I., Handfield, L., & L'Espérance, G. (1983). Cyclic softening and thermally activated deformation of titanium and zirconium. Materials Science and Engineering, 60(2), L3-L7. External link
Debia, M., Catto, C., Fleck, A., Masse, J.-P., L'Espérance, G., & Roberge, B. (2021). Characterization of unintentionally released nanometric particles in various workplaces. (Technical Report n° R-1133). External link
Debia, M., Catto, C., Fleck, A., Masse, J.-P., L'Espérance, G., & Roberge, B. (2019). Caractérisation des particules nanométriques non intentionnelles émises dans différents milieux de travail. (Technical Report n° R-1075). External link
Debia, M., L'Espérance, G., Catto, C., Plamondon, P., Dufresne, A., & Ostiguy, C. (2018). An assessment of methods of sampling and characterizing engineered nanomaterials in the air and on surfaces in the workplace. (Technical Report n° R-1009). External link
Debia, M., L'Espérance, G., Catto, C., Plamondon, P., Dufresne, A., & Ostiguy, C. (2017). Évaluation de méthodes de prélèvement et de caractérisation de nanomatériaux manufacturés dans l'air et sur des surfaces des milieux de travail. (Technical Report n° R-952). External link
Dolez, P., Vinches, L., Perron, G., Vu-Khanh, T., Plamondon, P., L'Espérance, G., Wilkinson, K., Cloutier, Y., Dion, C., & Truchon, G. (2013). Development of a method of measuring nanoparticles penetration through protective glove materials under conditions simulating workplace use. (Technical Report n° R-785). External link
Muller, C., Mazer, B., Salehi, F., Audusseau, S., Truchon, G., Lambert, J., L'Espérance, G., Chevalier, G., Philippe, S., Cloutier, Y., Larivière, P., & Zayed, J. (2012). Evaluation of beryllium toxicity according to chemical form and particle size. (Technical Report n° R-750). External link
Dolez, P., Vinches, L., Perron, G., Vu-Khanh, T., Plamondon, P., L'Espérance, G., Wilkinson, K., Cloutier, Y., Dion, C., & Truchon, G. (2012). Développement d'une méthode de mesure de la pénétration des nanoparticules à travers les matériaux de gants de protection dans des conditions simulant l'utilisation en milieu de travail. (Technical Report n° R-734). External link
Muller, C., Mazer, B., Salehi, F., Audusseau, S., Truchon, G., Lambert, J., L'Espérance, G., Chevalier, G., Philippe, S., Cloutier, Y., Larivière, P., & Zayed, J. (2010). Évaluation de la toxicité du béryllium en fonction de la forme chimique et de la taille des particules. (Technical Report n° R-637). External link
Zayed, J., L'Espérance, G., Plamondon, P., Rouleau, M., & Philippe, S. (2005). Spéciation et caractérisation de poussières de béryllium. (Technical Report n° R-426). External link
Xu, C., Bouchemit, A., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2018, May). 3D printing of metallic structures from a green ink [Paper]. CSME International Congress, Toronto, Ontario, Canada. External link
Nobari, A. H., St-Laurent, S., Thomas, Y., Bouchemit, A., & L'Espérance, G. (2018, May). Performance of fine and ultra-fine lead-free powders for solder paste applications [Paper]. 68th IEEE Electronic Components and Technology Conference (ECTC 2018), San Diego, CA. External link
Xu, C., Bouchemit, A., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2017, July). Dense metallic structure fabrication through 3D printing of metallic inks and subsequent metal sintering [Paper]. 54th Annual Technical Meeting of the Society of Engineering Science (SES 2017), Boston, United States. Unavailable
Bernier, F., Gauthier, M., Plamondon, P., & L'Espérance, G. (2011, May). Copper strengthening of PM steel parts [Paper]. 2011 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2011, San Francisco, CA, United states. Unavailable
Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2008, June). The Neumann triangle method to measure interfacial tensions in immiscible polymer blends using focused ion beam and atomic force microscopy [Paper]. 24th Annual meeting of Polymer Processing Society, Salerno, Italy. Unavailable
Tougas, B., Blais, C., & L'Espérance, G. (2008, June). New iron powder with improved machinability [Paper]. 2008 World Congress on Powder Metallurgy and Particulate Materials, PowderMet 2008, Washington, DC, United states. Unavailable
Campbell-Tremblay, J., Blais, C., L'Espérance, G., & Boilard, P. (2005, June). Characterization of the fatigue performance of P/M components produced with powders developed for improved machinability [Paper]. 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005, Montréal, Québec. Unavailable
Virgilio, N., Pépin, M. F., Desjardins, P., L'Espérance, G., & Favis, B. D. (2005, August). High contrast imaging of interphases in ternary polymer blends using focused ion beam preparation and atomic force microscopy [Paper]. PPS 2005 America's Regional Meeting of the Polymer Processing Society, Québec, QC, Canada.. Unavailable
Bernier, F., Boilard, P., Bailon, J.-P., & L'Espérance, G. (2005, June). Machinability and dynamic properties of sinter-hardened steel parts [Paper]. 2005 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2005, Montréal, Québec. Unavailable
Plamondon, P., & L'Espérance, G. (2000, May). Application of analytical electron microscopy (AEM) to the developmentof high performance powders [Paper]. PM2TEC 2000 : International Conference on Powder Metallurgy & Particulate Materials, New York, NY, USA. Unavailable
Julien, B., Duchesne, E., & L'Espérance, G. (2000, May). Influence of nickel additions, sintering temperature and microstructureon the mechanical properties of prealloyed Mn-Ni-Mo steel powders [Paper]. PM2TEC 2000: 2000 International Conference on Powder Metallurgy & Particulate Materials, New York, NY, USA. Unavailable
Dionne, M., L'Espérance, G., & Mirtchi, A. (1999, February). Caractérisation de la mouillabilité d'un matériau composite TiB₂-Carbone, Aluminium [Wetting of TiB2-Carbon Material Composite]. [Paper]. 128th TMS Annual Meeting 'Light Metals 1999', San Diego, CA. Published in Light Metals: Proceedings of Sessions, TMS Annual Meeting, 5(1). External link
Blais, C., L'Espérance, G., & Miele, P. (1999, May). Experimental evaluation of the reducibility of oxide particles found in powders and P/M parts [Paper]. International Conference and Exhibition on Powder Metallurgy and Particulate Materials, Las Vegas, NV, USA. Unavailable
Baril, E., L'Espérance, G., & Boutin, É. Effect of process parameters on inhibition breakdown mechanisms during hot dip galvannealing [Paper]. GALVATECH 1998. Unavailable
Imai, T., Kojima, S., Jiang, D., Mao, J., L'Espérance, G., & Hong, B. (1998, October). Superplasticity of 1N90 pure aluminum and the thermomechanical processing [Paper]. Minerals, Metals and Materials Society (TMS) fall meeting, Rosemont, IL (United States). Unavailable
Demarty, C. H., Jeulin, D., L'Espérance, G., & Perrier, E. (1997, January). 3D morphological analysis of the connectivity of a sintered material [Paper]. FMM 97, Buffalo, USA. Unavailable
Blais, C., L'Espérance, G., Baril, E., & St-Pierre, E. (1997, January). Complete characterization of second phase particles using a system integrating SEM, image analysis and EDS [Paper]. IMS-Microstructural science, Seattle, USA. Unavailable
Imai, T., Hikosaka, T., L'Espérance, G., Hong, B., & Jiang, D. (1997, January). High strain rate superplasticity of ceramuc particulate reinforced aluminum composites and the fabrication processing [Paper]. 11th international conference on composite materials, Queensland, Australia. External link
Imai, T., Lojima, S., Tochigi, I., L'Espérance, G., Hong, B., & Jiang, D. (1997, February). High strain rate superplasticity of discontinuous fiber reinforced pur aluminum composites [Paper]. Light Weight alloys for aerospace application symposium, TMS annual meeting, Orlando, FL, USA. External link
Imai, T., Kojima, S., Jiang, D., Mao, J., L'Espérance, G., & Hong, B. (1997, October). High strain rate superplasticity of TiC particulate reinforced aluminum composites [Paper]. Challenging to Advanced Materials and Processing Technology Aiming for New Industrial Applications; 5th Japan International Sampe Symposium, Tokyo, Japan. Unavailable
Imai, T., Mao, J. F., Kojimi, S., L'Espérance, G., & Hong, B. (1997, January). High strain rate superplasticity of TiC particulate reinforced aluminum composites and the microstructures [Paper]. 5th japan international SAMPE symposium-society for the advancement of material and process engineering, Tokyo, Japan. Unavailable
Blais, C., L'Espérance, G., Deschenes, B., & de Rege, A. (1997, June). Influence of furnace atmospheres on the chemistry of additives to powders made for improved machinability [Paper]. 1997 International Conference on Powder Metallurgy and Particulate Materials, Chicago, IL, USA. Unavailable
Blais, C., L'Espérance, G., & de Rege, A. (1997, June). State of the art characterization of second phase particles found in powders and P/M parts [Paper]. 1997 International Conference on Powder Metallurgy and Particulate Materials, Chicago, IL, USA. Unavailable
Simoneau, M., L'Espérance, G., & Schulz, R. (1995, July). Abnormal grain growth in sintered YBa₂Cu₃O₇₋[dₑₗₜₐ] nanocrystalline powders produced by high energy ball milling [Paper]. International symposium on metastable, mechanically alloyed and nanocrystalline materials. Published in Materials Science Forum, 225-227(2). External link
Lefebvre, L. P., L'Espérance, G., & Suery, M. Age-hardening behavior of al-1 wt-% mg/sic(ind p) composites fabricated with TiO₂-coated sic particles [Paper]. Processing, properties, and applications of cast metal matrix composites: symposium held at the 1996 TMS Fall Meeting in Cincinnati, Ohio. Unavailable
Lefebvre, L. P., L'Espérance, G., & Suéry, M. (1996, January). Age-hardening behavior of Al-wt%/Mg/SiCo composites fabricated with TiO2 coated SiC particles [Paper]. TMS fall meeting- Properties and applications of cast metal matrix composites, Cincinnati, USA. Unavailable
Blais, C., L'Espérance, G., Baril, E., & Forget, C. (1996, August). Characterization of small inclusions: SEM vs TEM, or is it even worth considering SEM [Paper]. Microscopy and microanalysis 1996, Minneapolis, MN (United States). Unavailable
L'Espérance, G., Martel, S., & De Rege, A. (1996, June). Detailed microstructural characterization of recently developedpartically alloyed powders [Paper]. Advances in Powder Metallurgy and Particulate Materials -1996 : 1996 World Congress on Powder Metallurgy & Particulate Materials, Washington, DC, USA. Unavailable
L'Espérance, G., Dionne, M., & Tremblay, S. (1996, August). Extracting 3-D information from SEM and TEM images: Approaches and applications in the physical sciences [Paper]. Microscopy and microanalysis 1996, Minneapolis, MN (United States). Unavailable
Imai, T., Kojima, S., Tochigi, I., L'Espérance, G., Hong, B., & Jiang, D. (1996, August). High strain rate superplasticity of discontinuous fiber reinforced aluminum alloy composites [Paper]. Processes in advanced materials and mechanics : International conference on advanced materials, Beijing, China. Unavailable
Imai, T., Kojima, S., Tochigi, I., L'Espérance, G., & Hong, B. (1997, February). High strain rate superplasticity of discontinuous fiber reinforced pure aluminum composites [Paper]. Light weight alloys for aerospace applications IV : 4th symposium, Orlando, Fl, USA. Unavailable
Beaudoin, M., Masut, R. A., Isnard, L., Desjardins, P., Bensaada, A., L'Espérance, G., & Leonelli, R. (1994, November). Band offsets of InAsxP₁₋x/InP strained layer quantum wells grown by LP-MOVPE using TBAs [Paper]. Microcrystalline and nanocrystalline semiconductors : Symposium F of the 1994 Fall Meeting of the Materials Research Society, Boston, USA. External link
Blais, C., L'Espérance, G., Baril, E., & Forget, C. (1995, August). Estimation of errors resulting from stereological measurements of inclusions characterized by X-ray mapping in SEM [Paper]. Microbeam analysis society 1995, Breckenridge, Colorado, USA. Unavailable
L'Espérance, G., Martel, S., de Rege, A., Kiefer, B., & Chen, Y. T. (1995, May). Evaluation of the effect of tempering on microstructure and properties of three widely used sinter hardening alloys [Paper]. 1995 International Conference & Exhibition on Powder Metallurgy & Particulate Materials, Seattle, WA, USA. Unavailable
L'Espérance, G., Harton, S., de Rege, A., & Nigarura, S. (1995, May). Evaluation of the hardenability, microstructure and properties of various sinter hardening alloys [Paper]. 1995 International Conference & Exhibition on Powder Metallurgy & Particulate Materials, Seattle, WA, USA. Unavailable
Ababou, Y., Desjardins, P., Chennouf, A., Masut, R. A., Yelon, A., Leonelli, R., & L'Espérance, G. (1995, June). Growth of strain-balanced GaInP/InAsP MQW by LP-MOVPE [Paper]. 6th European workshop on Metal-Organic Vapour Phase Epitaxy and related techniques, Gent, Belgique. Unavailable
Imai, T., L'Espérance, G., Hong, B., Kojima, S., & Kusui, J. (1995, February). High strain rate superplasticity of ceramic particulate reinforced aluminium alloy composites [Paper]. Advances in superplasticity and superplastic forming, 1995 : Conference on superplasticity and superplastic forming, Las Vegas, Ne, USA. Unavailable
Bensaada, A., Suys, M., Beaudoin, M., Desjardins, P., Isnard, L., Masut, R. A., Cochrane, R. W., Currie, J. F., & L'Espérance, G. (1995, June). LP-MOVPE growth and characterization of InₓGa₁₋ₓAs/InP epilayers and multiple quantum wells using tertiarybutylarsine [Paper]. 6th European Workshop on Metal-Organic Vapour Phase Epitaxy and related growth techniques, Ghent, Belgium. Unavailable
Ardeleanu, A., Loranger, S., Gareau, L., Zayed, J., L'Espérance, G., & Kennedy, G. G. (1995, November). Physico-chemical characteristics of particles emitted from vehicles using gasoline with methylcyclopentadienyl manganese tricarbonyl [Paper]. 2nd world Conference of the Society of Environmental Toxicology and Chemistry (SETAC), Vancouver (Canada). Unavailable
Tremblay, A., Tremblay, S., Favis, B. D., Selmani, A., & L'Espérance, G. (1995, May). Spectroscopic analyses of compatibilized polymer blends [Paper]. 53rd Annual Technical Conference, Boston, MA, USA. Unavailable
L'Espérance, G., Hovington, P., Baril, E., & Blais, C. (1994, January). Procedures and samples to monitor the long term low energy performance of energy-dispersive X-ray spectrometers [Paper]. Réunion conjointe microscopy society of america (52ieme réunion annuelle) et microbeam analysis society (28ieme réunion annuelle), Nouvelle-Orléan, Louisiana, USA. Unavailable
Zhong, W. M., & L'Espérance, G. (1994, January). True composition profiles obtained by a graphical deconvolution technique using analytical transmission electron microscopy [Paper]. 21e réunion annuelle de la SMC/MSC, Montréal, Québec. Unavailable
Tremblay, S., & L'Espérance, G. (1994, July). Volume fraction determination of secondary phase particles in aluminium thin foils with plasmin energy shift imaging [Paper]. 13ieme congrès international de la microscopie électronique, Paris, France. Unavailable
Xu, C., Bouchemit, A., L'Espérance, G., Laberge Lebel, L., & Therriault, D. (2016, August). Three-dimensional direct-write printing of metallic microstructures [Poster]. International conference of theoretical and applied mechanics (ICTAM 2016), Montréal, Québec. Unavailable
Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2008, June). A Novel In-Situ Method To Measure Interfacial Tensions In Immiscible Polymer Blends Using Focused Ion Beam And Atomic Force Microscopy [Abstract]. 24th Annual Meeting of Polymer Processing Society (PPS-24), Salerno, Italy. External link
Virgilio, N., Desjardins, P., L'Espérance, G., & Favis, B. D. (2007, August). Novel self-assembling pearl necklace microstructure induced by partial wetting in ternary polymer blends [Abstract]. ACS Polymeric Materials: Science and Engineering. Fall Meeting 2007., Boston, Mass., USA. Unavailable
Christopherson, D. B. J., L'Espérance, G., Koth, J., Beaulieu, P., Farthing, L. J., & Schoenwetter, T. (2017). Thermal spray applications using iron based alloy powder. (Patent no. US9624568). External link
Christopherson, D. B. J., Farthing, L. J., Schoenwetter, T., L'Espérance, G., & Beaulieu, P. (2015). Powder metal compositions for wear and temperature resistance applications and method of producing same. (Patent no. US9162285). External link
Xu, C., Therriault, D., Laberge Lebel, L., L'Espérance, G., & Bouchemit, A. (2019). 3D printing of metallic inks and subsequent heat-treatments. (Patent Application no. US20190054536). External link
Boisvert, M., L'Espérance, G., Beaulieu, P., & Christopherson, D. B. J. (2018). Free graphite containing powders. (Patent Application no. US20180105906). External link
Xu, C., Therriault, D., Laberge Lebel, L., L'Espérance, G., & Bouchemit, A. (2017). Metal 3D printing method and metallic 3D printing materials. (Patent Application no. CA2976782). External link
L'Espérance, G., Baïlon-Poujol, I., & Christopherson, D. B. J. (2013). Master alloy for producing sinter hardened steel parts and process for the production of sinter hardened parts. (Patent Application no. US20130039796). External link
Christopherson, D. B. J., Farthing, L. J., Schoenwetter, T., L'Espérance, G., & Beaulieu, P. (2010). Powdered metal alloy composition for wear and temperature resistance applications and method of producing same. (Patent Application no. WO2009126674). External link
Blais, C., & L'Espérance, G. (2001). Optimization of machining operations of parts made of high performance alloyed powders. In Powdered metal performance applications (pp. 47-52). Unavailable
