AI Article Synopsis
- The paper investigates how thermal conductivity relates to the strength of metal matrix composites, using Al2024 and Mg-0.9Ca alloys reinforced with graphite flakes as case studies.
- It combines both theoretical and experimental methods to analyze stress concentration in these composites, particularly focusing on the spacing between graphite flakes and its connection to thermal conductivity.
- The findings show a strong alignment between theoretical predictions and experimental results, provided that the inhomogeneities in the material are uniformly distributed and of identical shape.
Article Abstract
The paper focuses on the connection between thermal conductivity and overall strength of metal matrix composites on example of Al2024 and Mg-0.9Ca alloys reinforced with graphite flakes. We combine theoretical and experimental approaches to analyze the maximal stress concentration in such composites as a function of minimal distance between graphite flakes. The latter is linked to the volume fraction of the inhomogeneities, which governs overall thermal conductivity. Elimination of the volume fraction parameter leads to the explicit cross-property connection. This approach is possible if inhomogeneities in the material have the same shape and are uniformly distributed with no distinguishable clusters. The agreement between the theoretical predictions and experimental observations is very good.
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Source |
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7950997 | PMC |
| http://dx.doi.org/10.1016/j.ijengsci.2019.01.008 | DOI Listing |
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