Uniaxial and Multiaxial Cyclic Deformation Behaviors of SiCp/6061Al Alloy Composites


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The uniaxial/multiaxial cyclic deformation behaviors of SiCp/6061Al alloy composites with various particulate volume fractions were studied by uniaxial and multiaxial cyclic straining or stressing tests at room temperature. The cyclic softening/hardening features and ratcheting behaviors of T6-treated composites and un-reinforced matrix were discussed in different loading conditions. It is shown that the ratcheting also occurs in the composites under uniaxial and multiaxial asymmetrical cyclic stressing, and the ratcheting strain increases with stress amplitude and mean stress; however, the addition of SiC particulates into the matrix increases the resistance of the composite to ratcheting. The ratcheting depends greatly on the shapes of loading paths and mainly occurs in the direction of non-zero mean stress.



Key Engineering Materials (Volumes 353-358)

Edited by:

Yu Zhou, Shan-Tung Tu and Xishan Xie




G. Z. Kang and Y. J. Liu, "Uniaxial and Multiaxial Cyclic Deformation Behaviors of SiCp/6061Al Alloy Composites", Key Engineering Materials, Vols. 353-358, pp. 1247-1250, 2007

Online since:

September 2007




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