A KINETIC STUDY ON THE FORMATION OF LaNi_<5-X>Al_X, MmNi_<4.5>AI_<0.5> HYDRIDES

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概要

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• The hydriging reaction kinetics of LaNi4.7Al0.3 under isothermal conditions were studied in detail using a double-walled reactor which possessed high heat conductivity. The reaction characteristics in the α+β phase region were discussed from the viewpoint of rate-controlling steps.It was found that several rate-controlling steps were involved during hydriding reactions from the α to the β phase regions and the rate-controlling step changed with the change of phase regions. For the hydriding reaction in the α+β phase region, the rate-controlling step was found to be the phase transformation process at the interface between the α and the β phases.The hydriding reaction kinetics of other rare earth-nickel based alloys, LaNi5–xAlx (x = 0, 0.1, 0.2) and MmNi4.5Al0.5 (Mm: mischmetal), were determined in the same way, and similar results were obtained.

• 社団法人 化学工学会の論文
• 1996-04-20

著者

• Suda Seijirau

  Department Of Chemical Engineering Kogakuin University

• WANG Xianglong

  Department of Chemical Engineering, Kogakuin University

• Wang Xianglong

  Department Of Chemical Engineering Kogakuin University

関連論文

• A KINETIC STUDY ON THE FORMATION OF LaNi_Al_X, MmNi_AI_ HYDRIDES

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