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LIU Wen-ke, CAO Xiao-hua, PENG Shu-ming, LONG Xing-gui, YANG Ben-fu, LI Hong-fa(Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics,Mianyang 621900, China). Effects of Oxide Layer on Deuterium Adsorption and Desorption Kinetics of Titanium (Ⅱ)——Effect of Oxide Layer on Desorption Kinetics of Titanium Deuteride[J]. Atomic Energy Science and Technology, 2005, 39(3): 222-222. DOI: 10.7538/yzk.2005.39.03.0222
Citation: LIU Wen-ke, CAO Xiao-hua, PENG Shu-ming, LONG Xing-gui, YANG Ben-fu, LI Hong-fa(Institute of Nuclear Physics and Chemistry, China Academy of Engineering Physics,Mianyang 621900, China). Effects of Oxide Layer on Deuterium Adsorption and Desorption Kinetics of Titanium (Ⅱ)——Effect of Oxide Layer on Desorption Kinetics of Titanium Deuteride[J]. Atomic Energy Science and Technology, 2005, 39(3): 222-222. DOI: 10.7538/yzk.2005.39.03.0222
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Effects of Oxide Layer on Deuterium Adsorption and Desorption Kinetics of Titanium (Ⅱ)——Effect of Oxide Layer on Desorption Kinetics of Titanium Deuteride

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  • The deuterium desorption behavior of titanium deuteride with oxide layer on the surface in a constant volume system was investigated in the temperature range of 873 to 1 073 K. The activation energy obtained by the desorption analysis is (29.0±1.0)、(27.6±1.0) and (24.9±1.4) kJ/mol, respectively for titanium deuteride oxided for five, two hours at 673 K and non-oxided. The experimental results prove that the thicker the oxide layer in surface of titanium deuteride is, the larger the activation energy is; and that the oxide layer has the property of blocking deuterium.
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