Superplasticity in CP-Titanium Alloys

Abstract:

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In this work, studies were carried out to investigate the superplasticity of a commercially pure (CP) titanium alloy during high temperature deformation. Uniaxial tensile tests were carried out at 600, 750 and 800°C with an initial strain rate from 10-1s-1 to 10-4s-1. It was found that the alloy do not show good superplasticity due fast grain growth at high temperature and cavity. The effects of temperature on the grain growth and cavity phenomena as well as the dynamic recrystallization of the alloy were studied and a ‘two-step-method’ was introduced to increase the superplasticity of the alloy.

Info:

Periodical:

Materials Science Forum (Volumes 551-552)

Edited by:

K.F. Zhang

Pages:

373-378

DOI:

10.4028/www.scientific.net/MSF.551-552.373

Citation:

X.J. Zhu et al., "Superplasticity in CP-Titanium Alloys", Materials Science Forum, Vols. 551-552, pp. 373-378, 2007

Online since:

July 2007

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Price:

$35.00

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