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Journal of Materials Science

, Volume 29, Issue 21, pp 5615–5624 | Cite as

In situ scanning electron microscope studies of fracture in particulate-reinforced metal-matrix composites

  • P. M. Mummery
  • B. Derby
Papers

Abstract

In situ observations of specimen surfaces have been used to characterize the fracture behaviour of particulate-reinforced metal-matrix composites. Composites of silicon carbide particle sizes 3, 10 and 30 μm with volume fractions of 5, 10 and 20% in commercial-purity aluminium and aluminium-1% magnesium matrices were studied. The results of this surface study are compared with complementary metallographic studies of sectioned specimens illustrating behaviour from the bulk. Significant differences between the results of these two studies are outlined. Previous work using these techniques is critically examined and recommendations made for the appropriate interpretation of in situ straining experiments.

Keywords

Particle Size Silicon Magnesium Carbide Microscope Study 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman & Hall 1994

Authors and Affiliations

  • P. M. Mummery
    • 1
  • B. Derby
    • 2
  1. 1.School of MaterialsUniversity of LeedsLeeds
  2. 2.Department of MaterialsUniversity of OxfordOxfordUK

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