Aimen Gheribi, Jean-Laurent Gardarein, Fabrice Rigollet, Patrice Chartrand
Article (2014)
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Abstract
In this paper, using both experimental data and theoretical modelling, we investigate the degradation of the thermal conductivity of sintered metals due simultaneously to the grain boundary thermal resistance and the porosity. We show that the porosity dependence of the thermal conductivity of sintered material from spherical particle powder, exhibits a critical behaviour associated with a second order phase transition. An analytical model with a single parameter is proposed to describe the critical behaviour of the thermal conductivity of sintered metals versus porosity.
Uncontrolled Keywords
resistance
| Subjects: |
1800 Chemical engineering > 1803 Thermodynamics 2000 Materials science and technology > 2003 Metallurgy/metals/alloys |
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| Department: | Department of Chemical Engineering |
| Research Center: | CRCT - Centre for Research in Computational Thermochemistry |
| Funders: | CRSNG/NSERC, Rio-Tinto-Alcan, Carnot STAR Institute |
| PolyPublie URL: | https://publications.polymtl.ca/4889/ |
| Journal Title: | APL Materials (vol. 2, no. 7) |
| Publisher: | AIP Publishing |
| DOI: | 10.1063/1.4886221 |
| Official URL: | https://doi.org/10.1063/1.4886221 |
| Date Deposited: | 20 Apr 2022 14:03 |
| Last Modified: | 11 Nov 2022 13:25 |
| Cite in APA 7: | Gheribi, A., Gardarein, J.-L., Rigollet, F., & Chartrand, P. (2014). Evidence of second order transition induced by the porosity in the thermal conductivity of sintered metals. APL Materials, 2(7), 076105 (6 pages). https://doi.org/10.1063/1.4886221 |
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