Hydrogen absorption behavior of TA15 alloy

Xue-ping Ren; Fang-fang Zhang; Qing-miao Guo; Hong-liang Hou; Yao-qi Wang

doi:10.1007/s12613-011-0424-y

Volume 18 Issue 2

Apr. 2011

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文章导航 > 矿物冶金与材料学报（英文版） > 2011 > 18(2) : 210-215. > DOI: 10.1007/s12613-011-0424-y

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Xue-ping Ren, Fang-fang Zhang, Qing-miao Guo, Hong-liang Hou, and Yao-qi Wang, Hydrogen absorption behavior of TA15 alloy, Int. J. Miner. Metall. Mater., 18(2011), No. 2, pp.210-215. https://dx.doi.org/10.1007/s12613-011-0424-y

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Hydrogen absorption behavior of TA15 alloy

School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China
Zhejiang Special Equipment Inspection and Research Institute, Hangzhou, 310015, China
General Research Institute for Nonferrous Metals, Beijing, 100088, China
Beijing Aeronautical Manufacturing Technology Research Institute, Beijing, 100024, China

基金项目:

This work was financially supported by the Major State Basic Research and Development Program of China (No.11AZ6305).

通信作者:
Qing-miao Guo E-mail: guoqingm@163.com

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中文摘要

The hydrogen absorption kinetics of TA15 titanium alloy at 973–1123 K was studied using a tube-type hydrogen treatment furnace. The hydrogen absorption kinetic curves obtained were analyzed according to a series of mechanism equations to reveal the kinetic parameters and mechanism of the hydrogen absorption process. The results show that both the hydrogen absorption rate and the equilibrium hydrogen pressure increase and the time to reach equilibrium is shortened with increasing temperature. It is found that only the second hydrogen absorption period exists in the hydrogen absorption process of TA15 alloy between 973 and 1123 K, and the activation energy is 54.889 kJ/mol for hydrogen absorption. X-ray diffraction (XRD) and scanning electron microscopy (SEM) results demonstrate that δ hydride forms between 973 and 1123 K, and β phase decreases with the increase of temperature. Orthorhombic α″ martensite is generated at 1073-1123 K, and their amount increases with increasing temperature.

关键词:

Hydrogen absorption behavior of TA15 alloy

Author Affilications

School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China
Zhejiang Special Equipment Inspection and Research Institute, Hangzhou, 310015, China
General Research Institute for Nonferrous Metals, Beijing, 100088, China
Beijing Aeronautical Manufacturing Technology Research Institute, Beijing, 100024, China

Funds:
This work was financially supported by the Major State Basic Research and Development Program of China (No.11AZ6305).
Received: 13 March 2010; Revised: 29 April 2010; Accepted: 12 May 2010;

Abstract:

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