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袁宝国,许川,张小雪.TC4合金吸氢动力学研究[J].稀有金属材料与工程(英文),2019,48(12):3791~3796.[yuan baoguo,Xu Chuan and Zhang Xiaoxue.Kinetics of hydrogen absorption in TC4 alloy[J].Rare Metal Materials and Engineering,2019,48(12):3791~3796.]
Kinetics of hydrogen absorption in TC4 alloy
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Received:February 18, 2019  Revised:November 07, 2019
Key words: TC4 Alloy  Thermohydrogen Processing  Kinetics  Microstructure
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yuan baoguo,Xu Chuan and Zhang Xiaoxue  
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      Kinetics of hydrogen absorption in TC4 alloy was studied by hydrogenation experiments at different temperatures and initial hydrogen pressures, and the effects of hydrogenation on the microstructure and phase composition of TC4 alloy at room temperature were studied. The results show that the reaction rate constant of TC4 alloy increases with the rise of hydrogenation temperature, and the time required for the reaction to reach equilibrium is gradually shortened. The apparent activation energy of hydrogen absorption reaction of TC4 alloy is 79.42 kJ/mol by solving the Arrhenius equation. δ hydride and α" martensite appear in the microstructure of hydrogenated TC4 alloy.