Internal Stress Development during Fatigue Cycling of High-Strength Al/SiC Metal Matrix Composites

Abstract:

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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.

Info:

Periodical:

Materials Science Forum (Volumes 524-525)

Edited by:

W. Reimers and S. Quander

Pages:

769-774

DOI:

10.4028/www.scientific.net/MSF.524-525.769

Citation:

M. E. Fitzpatrick "Internal Stress Development during Fatigue Cycling of High-Strength Al/SiC Metal Matrix Composites", Materials Science Forum, Vols. 524-525, pp. 769-774, 2006

Online since:

September 2006

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Price:

$35.00

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