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Effect of Trace Boron on Microstructure and Mechanical Properties of Ti-9V-3Al-3Cr-3Zr-3.5Mo Alloy

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Abstract:

The effects of trace boron on microstructure and mechanical properties of β type Ti-9V-3Al-3Cr-3Zr-3.5Mo (wt. %) alloy have been investigated in this study. Upon the addition of 0.02 wt. % boron, the grain size of the B-modified alloy was almost four times smaller than that of the B-free alloy. Accordingly, the tensile strength and elongation of B-modified alloy increased from 712 MPa and 14.6 % to 813 MPa and 17.9 %, respectively, mainly due to the effect of grain refinement.

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Periodical:

Advanced Materials Research (Volumes 194-196)

Pages:

1287-1290

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.194-196.1287

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Online since:

February 2011

Authors:

Xu Liang Liu, Yun Qing Ma, Shui Yuan Yang, Yun Neng Wang, Cui Ping Wang, Xing Jun Liu

Keywords:

B-Modified, Grain Refinement, β Titanium Alloy

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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