Aïmen E. Gheribi, Jean-Laurent Gardarein, Fabrice Rigollet and 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.
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| Department: | Department of Chemical Engineering |
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| 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: | 30 Jan 2026 15:37 |
| Cite in APA 7: | Gheribi, A. E., 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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