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An Analysis of Diffusion Model of Hydrogen in Disordered Solids

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タイトル: An Analysis of Diffusion Model of Hydrogen in Disordered Solids
著者: Sakamoto, Yoshiichi
発行日: 1990年 1月
出版者: 長崎大学工学部 / Faculty of Engineering, Nagasaki University
引用: 長崎大学工学部研究報告, 20(34), pp.65-70; 1990
抄録: The diffusion flux equation of hydrogen and time-derivative of occupation probability of hydrogen on the jump sites in disordered solids such as amorphous alloys consisting of randomly distributed sites of many different energies for hydrogen occupancy have been analyzed by taking into account the interstitial site-occupation energies and the potential barriers to be jumped between the individual sites. From the resulting diffusion equations, it can be seen that the diffusivity at a given temperature increases with an increase of the occupation probability at each sites, and thus the hydrogen concentration dependence of diffusivity through the disordered solids can be described, apart from the effect of gradual filling of the deep trapping sites using Fermi-Dirac statistics.
URI: http://hdl.handle.net/10069/24315
ISSN: 02860902
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第20巻 第34号

引用URI : http://hdl.handle.net/10069/24315



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