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TECHNICAL BRIEFS

Strain-Hardening Characteristics of Ti-6Al-2Sn-4Zr-2Mo Alloy

[+] Author and Article Information
Amiya K. Chakrabarti

Aerospace Research Laboratories, Wright-Patterson Air Force Base, Ohio; Air Force Materials Laboratory (LLS), Wright-Patterson AFB, Ohio

James A. Roberson

Aerospace Research Laboratories, Wright-Patterson Air Force Base, Ohio

William R. Kerr

Air Force Materials Laboratory, Wright-Patterson AFB, Ohio

J. Eng. Mater. Technol 97(4), 382-383 (Oct 01, 1975) (2 pages) doi:10.1115/1.3443315 History: Received October 29, 1974; Revised April 07, 1975; Online August 17, 2010

Abstract

The strain-hardening exponent (n) is considered to be numerically equal to the uniform plastic strain for materials which exhibit a power low true stress true strain relation. In Ti-6Al-2Sn-4Zr-2Mo alloy a considerable deviation between the uniform plastic strain and the strain hardening exponent has been observed irrespective of the variations in microstructures and grain size. The present investigation indicates that a power law true stress true strain relation of the type σ = Kεn may not be valid for this material.

Copyright © 1975 by ASME
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