Effect of Heat treatment on Microstructure and Mechanical Properties of Ti-6Al-2Zr-1Mo-1V Bar

In this paper, the microstructure evolution and mechanical properties fluctuation of Ti-6Al-2Zr-1Mo-1V forging state bar after the first stage heat treatment at 950℃~955℃ and the second stage heat treatment at 760℃~840℃ were studied. In the first stage of heat treatment, the content of primary α and...

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Bibliographic Details
Published in:MATEC Web of Conferences 2020, Vol.321, p.11046
Main Authors: Enen, Xu, Yanwen, Tian, Fang, Hao, Linin, Cu, Yuxuan, Du, Jinwen, Lei, Biao, Ju
Format: Article
Language:English
Subjects:
Beta phase
Forging
Heat treating
Heat treatment
High temperature
Mechanical properties
Microstructure
Precipitates
Tensile strength
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Summary:In this paper, the microstructure evolution and mechanical properties fluctuation of Ti-6Al-2Zr-1Mo-1V forging state bar after the first stage heat treatment at 950℃~955℃ and the second stage heat treatment at 760℃~840℃ were studied. In the first stage of heat treatment, the content of primary α and the tensile strength decreases with the increase of temperature, and the high temperature duration time is obviously prolonged. During the second stage of heat treatment, the metastable β phase precipitates third α phase, and with the increase of temperature, the tensile strength increases and the high temperature duration time prolongs.
ISSN:2261-236X
2274-7214
2261-236X
DOI:10.1051/matecconf/202032111046