Effect of Triple Annealing Treatment on Stress  Relaxation of Ti-6Al-4V Alloy

J Mater Sci Technol ›› 2004, Vol. 20 ›› Issue (03): 292-294.

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Effect of Triple Annealing Treatment on Stress Relaxation of Ti-6Al-4V Alloy

Yong LIU, Jingchuan ZHU, Zhongda YIN, Mingwei LI

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001,China

Received:1900-01-01 Revised:1900-01-01 Online:2004-05-28 Published:2009-10-10
Contact: Yong LIU

Abstract

Abstract: The effect of triple annealing on stress relaxation of Ti-6Al-4V alloy as well as the microstructure after stress relaxation were studied. The results showed that triple annealing treatment enhanced the resistance of stress relaxation performance, and when the temperature was rising, this effect became notable. The stress relaxation deformation mechanism is of dislocation creep at 400℃ and recovery creep at 600℃.

Key words: Triple annealing, Ti-6Al-4V alloy, Stress relaxation

Yong LIU, Jingchuan ZHU, Zhongda YIN, Mingwei LI. Effect of Triple Annealing Treatment on Stress Relaxation of Ti-6Al-4V Alloy[J]. J Mater Sci Technol, 2004, 20(03): 292-294.

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Effect of Triple Annealing Treatment on Stress Relaxation of Ti-6Al-4V Alloy

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