Affiliation:
1. Harbin Institute of Technology
Abstract
The coefficients of thermal expansion (CTEs) of the 20 vol% SiCp/Al composites
fabricated by powder metallurgy process were measured and examined from room temperature to
450°C The SiC particles are in three nominal sizes 5μm, 20μm and 56μm. The CTEs of the SiCp/Al
composites were shown to be apparently dependent on the particle size. That the larger particle size,
the higher CTEs of the composites, is thought to be due to the difference in original thermal residual
stresses and matrix plasticity during thermal loading. The thermal conductivity of the composites
also increases with particle size increasing.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,General Materials Science
Cited by
4 articles.
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