Superplastic Forming Properties of TIMETAL<sup>®</sup>54M (Ti-5%Al-4%V-0.6%Mo-0.4%Fe) Sheets-Reference-Cited by-同舟云学术

Superplastic Forming Properties of TIMETAL^®54M (Ti-5%Al-4%V-0.6%Mo-0.4%Fe) Sheets

Published:2010-03 Issue: Volume:433 Page:311-317
ISSN:1662-9795
Container-title:Key Engineering Materials
language:
Short-container-title:KEM

Author:

Kosaka Yoji¹,Gudipati Phani¹

Affiliation:

1. TIMET, Henderson Technical Laboratory

Abstract

Superplastic forming (SPF) properties of TIMETAL54M (Ti-5Al-4V-0.6Mo-0.4Fe, or Ti-54M) sheet were investigated. A total elongation of Ti-54M exceeds 500% at temperatures between 750°C and 850°C at a strain rate of 10-3/S. Values of strain rate sensitivity (m-value) measured by jump strain rate tests are 0.45 ~0.6 in a temperature range of 730°C to 900°C at a strain arte of 5 x 10-4/S or 1 x 10-4/S. Flow stress of the alloy is 20 ~ 40% lower than that of Ti-6Al-4V (Ti-64) mill annealed sheet. The observation of microstructure after the tests revealed the indication of grain boundary sliding in a wide range of temperatures and strain rates.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Link

https://www.scientific.net/KEM.433.311.pdf

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