Hydrogen absorption and desorption properties of titanium

Yu  Xiangqing; Bian Hai; Ge Qin; Wang Wenxiu; Yang Zhen; Zhang Limin; Liu Zhengmin

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Hydrogen absorption and desorption properties of titanium

Yu Xiangqing *,Bian Hai ,Ge Qin ,Wang Wenxiu ,Yang Zhen ,Zhang Limin ,Liu Zhengmin

School of Nuclear Science and Technology，Lanzhou University

*Correspondence author

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Funding: the National Natural Science Foundation of China（No. 10605011）

Opened online:18 November 2008

Accepted by: none

Citation: Yu Xiangqing ,Bian Hai ,Ge Qin .Hydrogen absorption and desorption properties of titanium[OL]. [18 November 2008] http://en.paper.edu.cn/en_releasepaper/content/25808

The study on hydrogen absorption and desorption properties of titanium under an initial hydrogen pressure of 0.25 MPa at different temperature was fulfilled, the hydrogen absorption rate constant k value is 7.364×10-3s-1 under an initial hydrogen pressure of 0.25 MPa at 773 K. The depth profile of hydrogen in titanium was performed by secondary ion mass spectroscopy, the relative hydrogen content is invariable between about 700nm and 1250nm in titanium. The X-ray diffraction and scanning electron microscope studies on titanium hydride were performed, the TiH phase was found after hydrogen desorption of titanium at 773 K after heating for 5400 seconds.

Keywords:shielding material;titanium hydride;dynamic SIMS

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