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ZHANG Bin,ZHENG Hua,LIU Shi,WANG Long-bao(Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China). Hydrogen Absorption and Desorption of Titanium[J]. Atomic Energy Science and Technology, 2005, 39(6): 522-522. DOI: 10.7538/yzk.2005.39.06.0522
Citation: ZHANG Bin,ZHENG Hua,LIU Shi,WANG Long-bao(Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China). Hydrogen Absorption and Desorption of Titanium[J]. Atomic Energy Science and Technology, 2005, 39(6): 522-522. DOI: 10.7538/yzk.2005.39.06.0522
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  • The paper concerns in the hydrogenation of Ti and dehydrogenation of TiH_2.The rates of hydrogen absorption of Ti at 500 and 580 ℃ were measured.The hydrogen absorption curves at 500 ℃ can be divided into two segments with different slopes,and the hydrogen absorption curve at 580 ℃ is a linear line for pure titanium.A two-step phase transition(α→β→δ) for hydrogen absorption of Ti at 500 ℃ was discussed.Effect of grain size on dehydrogenation of TiH_2 was studied.Dehydrogenation of nano-scale hydride powders differs considerably from that of TiH_2 processed from bulk Ti.
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