Internal stress development during fatigue cycling of high-strength Al/SiC metal matrix composites

Fitzpatrick, M.E. (2006). Internal stress development during fatigue cycling of high-strength Al/SiC metal matrix composites. Materials Science Forum, 524-525 pp. 769–774.

URL: http://www.scientific.net/0-87849-414-6/769/

Abstract

In this paper, results are presented of the development of internal stresses in 2124 aluminium alloy reinforced with 25% of particulate silicon carbide. Measurements have been made during in situ low-cycle fatigue loading of this composite, using neutron diffraction. The neutron measurements were made using the ENGIN-X diffractometer at the ISIS neutron facility, UK. The results show how the internal stresses evolve with fatigue cycling. Eshelby-based modelling has been used to allow separation of the internal stress components in the MMC.

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About

• Item ORO ID
• 5438
• Item Type
• Journal Item
• ISSN
• 0255-5476
• Keywords
• neutron diffraction; metal matrix composite; residual stress
• Academic Unit or School
• Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
  Faculty of Science, Technology, Engineering and Mathematics (STEM)
• Depositing User
• Michael E. Fitzpatrick