Solidification effects on liquid diffusion measurements due to long capillary method: Experiments

Material type: 文書・図像類

Author: 内田, 美佐子ほか

Publisher: 宇宙開発事業団

Publication date: 2002-02-28

Material Format: Digital

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Note (General)：: The solidification effects on liquid diffusion measurements were investigated experimentally. Diffusion couple samples were melted, and solidified und...

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Material Type: 文書・図像類
Title: Solidification effects on liquid diffusion measurements due to long capillary method: Experiments
Author/Editor: 内田, 美佐子
渡邉, 勇基
冨岡, 浩
Uchida, Misako
Watanabe, Yuki
Tomioka, Hiroshi
Author Heading: 内田, 美佐子
渡邉, 勇基
冨岡, 浩
Uchida, Misako
Watanabe, Yuki
Tomioka, Hiroshi
Publication, Distribution, etc.: 宇宙開発事業団
Publication Date: 2002-02-28
Publication Date (W3CDTF): 2002-02-28
Alternative Title: 長い毛管法による液体拡散実験での凝固効果:実験
Periodical title: Modeling and Precise Experiments of Diffusion Phenomena in Melts Under Microgravity: Annual Report 2000
Pages: 131-138
ISSN (Periodical Title): ISSN : 1345-7888
Text Language Code: eng
Subject Heading: 凝固
液体拡散測定
毛管法
状態図
Au濃度分布
温度勾配
冷却
研究開発
solidification
liquid diffusion measurement
capillary method
phase diagram
Au concentration distribution
temperature gradient
cooling
research and development
Target Audience: 一般
Note (General): The solidification effects on liquid diffusion measurements were investigated experimentally. Diffusion couple samples were melted, and solidified under various cooling conditions. The concentration distributions were analyzed after solidification. It was found that the volume change effect can be avoided at low cooling rate and this condition is preferable for self- and impurity diffusion measurements, in which the segregation effect doesn't need to be considered. However, in order to avoid the segregation effect for mutual-diffusion measurements, diffusion measurements using the long capillary method should be conducted as follows: The diffusion sample must be cooled rapidly in order to avoid the segregation effect, and the concentration profile must be analyzed near the surface in order to avoid the volume change effect on solidification.
資料番号: AA0033133015
レポート番号: NASDA-TMR-010019E
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=42620&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=42620&item_no=1&attribute_id=31&file_no=1
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ