Viscoplastic deformations and compressive damage in an A359/SiCp metal–matrix composite
作者： Y Li , K.T Ramesh , E.S.C Chin
DOI: 10.1016/S1359-6454(99)00430-9
关键词: Composite material 、 Strain rate 、 Viscoplasticity 、 Composite number 、 Silicon carbide 、 Particle 、 Metal matrix composite 、 Strain hardening exponent 、 Materials science 、 Compressive strength
摘要: Recent work by the authors has examined the high-strain-rate compression of a metal–matrix composite consisting of an A359 Al alloy matrix reinforced by 20 vol.% of silicon carbide particulates (SiCp). The work-hardening that is observed in the experiments is much lower than that predicted by analytical and computational models which assume perfect particle–matrix interfaces and undamaged particles. In this work, we show that the discrepancy is a result of particle damage that develops within the A359/SiCp composite …
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