Paper Title:
Temperature and Strain Rate Effects on Plastic Deformation of Titanium Alloys
  Abstract

Since titanium alloys are the most promising structural materials for the high velocity vehicles, the impact tensile strength of the materials is presently investigated. Three kinds of aging treatments on the beta-titanium alloy were performed, and the tensile deformation behaviors were identified in the wide range of the temperature and the strain rate. The stress-strain relations of the titanium alloy significantly depend on the temperature and the strain rate investigated. Thermally activated process concept was applied to explain the experimental results, and the stress-strain relations at high strain rates were well understood with taking account of adiabatic heating effect. It has been found that the stress-strain curves depend on the microstructures, while the temperature and the strain rate effects are almost independent of the different aging treatments.

  Info
Periodical
Materials Science Forum (Volumes 539-543)
Main Theme
Edited by
T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran
Pages
3619-3624
DOI
10.4028/www.scientific.net/MSF.539-543.3619
Citation
K. Ogawa, "Temperature and Strain Rate Effects on Plastic Deformation of Titanium Alloys", Materials Science Forum, Vols. 539-543, pp. 3619-3624, 2007
Online since
March 2007
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Price
$32.00
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