The reference experiment for the IAO plan

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概要

• 論文の詳細を見る

• We are studying the shear cell method for the diffusion experiment on the ground to establish the reliable experimental process of diffusion in liquids even on the ground and to present the reference data for experiment under microgravity. The adopted systems are liquid Ge-Sn and Ge-Si systems. It is not always easy to measure diffusion coeffi cients in these systems, because those solid-liquid coexisting regions are wide. The wide solid-liquid coexisting region causes the segregation problems on the sample preparation, and the analysis of concentration profile. We investigated the methods for obtaining homogeneous pieces of diffusion couple sample and for analyzing accurately a concentration profi le after the diffusion experiment. We performed shear cell experiments of Ge-Sn system in the temperature range, 750-1300K, as a prototype experiment. Moreover, we studied the method of the concentration analysis of the Ge-Si sample.

• 宇宙航空研究開発機構の論文

著者

• Masaki T

  Japan Aerospace Exploration Agency

• WATANABE Yuki

  Advanced Engineering Services Co. Ltd.

• FUKAZAWA Tomoharu

  Ishikawajima Jet Service Co. Ltd.

• MASAKI Tadahiko

  Japan Aerospace Exploration Agency

• FUKAZAWA Tomoharu

  Japan Aerospace Exploration Agency

• ITAMI Toshio

  Japan Aerospace Exploration Agency

• Watanabe Yuki

  Space Development Division, Advanced Engineering Services Co., Ltd.

• Itami T

  Graduate School Of Science Hokkaido University

• Itami T

  Hokkaido Univ. Sapporo Jpn

• Morita T

  Mitsubishi Electric Corporation

• Takata Masaki

  Materials Science Division Japan Synchrotron Radiation Research Institute (spring-8/jasri) Crest-jst

• Fukazawa Tomoharu

  Japan Aerospace Exploration Agency Institute Of Space And Astronautical Science Iss Project Office

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