Thermal damage in particulate-reinforced metal matrix composites

Y. C. Zhou, S. G. Long, Z. P. Duan, Toshiyuki Hashida

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

Thermal damage of SiC particulate-reinforced aluminum composites (MMCs) caused by laser thermal shock was investigated. The damage was induced by a combination of laser beam thermal shock and mechanical loads. The MMCs have two kinds of particle distributions, one is uniform and another is heterogeneous. The damage initiation, crack propagation, as well as the failure evolution, were observed. A damage parameter was defined and it was tested. One found that the damage mechanism was very different for crack initiation and crack propagation and for MMCs with different spatial particle distributions. The mechanism of MMCs failure is discussed by the ideas of shear stress transfer between matrix and reinforcement. The discussion can explain the distinct mechanism of damage and failure in SiC particulate-reinforced aluminum composites.

Original languageEnglish
Pages (from-to)251-260
Number of pages10
JournalJournal of Engineering Materials and Technology, Transactions of the ASME
Volume123
Issue number3
DOIs
Publication statusPublished - 2001 Jul 1

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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