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Experimental Yield Surface Determination for Metal Matrix Composites

  • Cliff J. LissendenEmail author
Chapter
Part of the Solid Mechanics and Its Applications book series (SMIA, volume 168)

Abstract

An experimental method for the construction of yield surfaces for metal matrix composites is presented. Tubular specimens are subjected to axial-torsion loading. Multiple probes and multiple runs can be conducted on a single specimen. Offset strains are used to unload yield surface probes, but permanent strains are used to determine yield points. Initial and subsequent yield surfaces are obtained for aluminum alloy 6092 reinforced with silicon carbide particles having a 0.175 particle volume fraction and for aluminum reinforced with alumina fibers having a 0.55 fiber volume fraction. The fibrous composites tested are [04], [904], [0 ∕ 90]2 laminates. All yield loci are ellipses in the axial-shear stress plane. Subsequent yield surfaces exhibit significant translational hardening.

Keywords

Yield Surface Metal Matrix Composite Yield Locus Effective Plastic Strain Permanent Strain 
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

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  1. 1.Department of Engineering Science and MechanicsThe Pennsylvania State UniversityUniversity ParkUSA

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