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Theoretical Investigation of Phase Equilibria for Metal-Hydrogen Alloy

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タイトル: Theoretical Investigation of Phase Equilibria for Metal-Hydrogen Alloy
著者: Mohri, Tetsuo 著作を一覧する
キーワード: Cluster variation method
Pd-H phase diagram
Pd-H system
short range order diffuse intensity
square lattice
superabundant vacancy
tetrahedron-octahedron approximation
発行日: 2007年 2月
出版者: Springer Boston
誌名: Journal of Phase Equilibria and Diffusion
巻: 28
号: 1
開始ページ: 72
終了ページ: 78
出版社 DOI: 10.1007/s11669-006-9010-9
抄録: Cluster variation method (CVM) was applied to calculate phase equilibria of metal-hydrogen systems. Two subjects are introduced in the present report. One is the summary of previous studies on the Pd-H system, and it is demonstrated that a single CVM free energy formula can systematically derive information of phase equilibria, intrinsic stability, and short range order diffuse intensities. The second subject is the theoretical calculations of superabundant vacancy (SAV) formation. Within the square approximation of the CVM, it is shown that abundant vacancies are introduced with the absorption of hydrogen when the interaction between vacancy and hydrogen is considered.
Rights: Copyright © 2007 ASM International. This paper was published in JOURNAL OF PHASE EQUILIBRIA AND DIFFUSION, 28, 1, 72-78 and is made available as an electronic reprint with the permission of ASM International. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplications of any material in this paper for a fee or for commercial purposes, or modification of the content of this paper are prohibited.
Relation (URI): http://www.asminternational.org/Content/NavigationMenu/Journals/Journal_of_Phase_Equilibria_and_Diffusion/Journal_of_Phase_Equilibria_and_Diffusion.htm
資料タイプ: article
URI: http://hdl.handle.net/2115/28233
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 毛利 哲夫

 

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