Hostname: page-component-6bf8c574d5-9nwgx Total loading time: 0 Render date: 2025-02-20T14:51:09.576Z Has data issue: false hasContentIssue false
  • English
  • Français

Effect of Hydrogen on the Superplastic Behavior of Ti-6Al-4V Alloy

Published online by Cambridge University Press:  16 February 2011

B. Gong ,
C. B. Zeang ,
Z. H. Lai  and
Z. S. Xu
B. Gong
Affiliation:
Physics Department, Northeast University of Technology, Shenyang, 110006, P. R. China
C. B. Zeang
Affiliation:
Physics Department, Northeast University of Technology, Shenyang, 110006, P. R. China
Z. H. Lai
Affiliation:
Physics Department, Northeast University of Technology, Shenyang, 110006, P. R. China
Z. S. Xu
Affiliation:
Physics Department, Northeast University of Technology, Shenyang, 110006, P. R. China
Get access

Abstract

The superplastic behaviour of Ti-6Al-4V alloy containing various amounts of hydrogen (0.07 ∼ 0.33wt%) has been investigated by tensile tests at temperatures of 800 ∼ 950°C. Results show that the solution of hydrogen in the alloy helps to reduce the flow stress with strain rate in the range of 1.67 ×10−4 ∼ 1.67×10−2 s−1 and makes the temperature of superplastlc deformation become Lower (810∼870°C). Nevertheless, it also causes a decrease of the strain rate sensitivity exponent and tensileelongation, However, by a suitable alloying with hydrogen (∼ 0.1wt%), the alloy can be made to undergo superplastlc deformation at a rather tow temperature (840°C) with an acceptable loss of superptastic ductility.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 196: Symposium T – Superplasticity in Metals, Ceramics, and Intermetallics , 1990 , 289
Copyright
Copyright © Materials Research Society 1990

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Kerr, W.R., Smith, P.R., Rosenbtum, M.E. et at, Titanium Science and Technotogy, eds., Klmura, H. and Izumi, O.. AIME, New York, 2477 (1980).Google Scholar
2. Kotachev, B.A., Nosov, V.K., Titanium Science and Technotogy, eds., Lutjering, G., Zwicker, U., Bunk, W., DGM, West Germany, 625, (1985).Google Scholar
3. Kotachev, B.A., Nosov, V.K., Phys. Met. Metatt., 57(1), 161 (1986).Google Scholar
4. Ghosh, A.K. and Hamitton, C.H.. Met. Trans., 13A, 733 (1982).Google Scholar
5. Lederich, R.J., Sastry, S.M.L. and Neal, J.E.O., Advanced Processing Methods for Titanium, eds., Hasson, D.C. and IHamitton, C.H., Met. Soc. AIME, 115 (1981).Google Scholar
6. Backofen, W.A., Turner, I.R., Avery, D.H., Trans ASM Quart., 57, 980 (1964).Google Scholar
7. Dutta, Abhijit and Birta, N.C., Scripta Metatt., 21, 1051 (1987).Google Scholar