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粒子分散合金の溶融・凝固
https://jaxa.repo.nii.ac.jp/records/41080
https://jaxa.repo.nii.ac.jp/records/410804fda2231-a25b-4895-a555-01cda324656d
名前 / ファイル | ライセンス | アクション |
---|---|---|
04116006.pdf (2.1 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 粒子分散合金の溶融・凝固 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 粒子分散合金 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 溶融 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 凝固 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 微小重力環境 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | セラミック粒子 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 微粒子 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 均一分散 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 地上実験 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | LIF | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 高温加圧型電気炉 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | FMPT | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 第1次材料実験 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 温度プロファイル | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | NiMoCrTiC合金 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ミクロ組織変化 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | particle dispersed alloy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | melting | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | solidification | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | microgravity environment | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ceramic particle | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | fine particle | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | homogeneous dispersion | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ground surface experiment | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | LIF | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Large Isothermal Furnace | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | FMPT | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | First Material Processing Test | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | temperature profile | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | NiMoCrTiC alloy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | microstructure change | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Melting and solidification of particle dispersion alloy | |||||
著者 |
村松, 祐治
× 村松, 祐治× 檀, 武弘× Muramatsu, Yuji× Dan, Takehiro |
|||||
著者所属 | ||||||
金属材料技術研究所 | ||||||
著者所属 | ||||||
金属材料技術研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
National Research Institute for Metals | ||||||
著者所属(英) | ||||||
en | ||||||
National Research Institute for Metals | ||||||
出版者 | ||||||
出版者 | 宇宙開発事業団 | |||||
出版者(英) | ||||||
出版者 | National Space Development Agency of Japan (NASDA) | |||||
書誌情報 |
宇宙開発事業団技術報告 en : NASDA Technical Memorandum p. 552-569, 発行日 1994-10-20 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 比重差、熱対流の影響の少ない微小重力下での溶融・凝固により、セラミック粒子が微細で、かつ均一に分散した高性能な分散合金を作製するための研究を行った。まず、地上においてこの方法で作製するための検討を行った。実験には高温加圧型電気炉(LIF)を用いた。第1次材料実験(FMPT)における温度プロファイルと試料(Ni-Mo-Cr-TiC合金)の実験後のミクロ組織の変化を示した。FMPT試料のミクロ組織は地上実験試料のそれに比べて均一であった。また、両試料の硬度を比較した結果、地上実験試料はFMPT試料より硬度が低く、試料全体にわたって硬度にばらつきが見られた。このことは、FMPT試料がより均質であり、TiC粒子が微細かつ均一に分布していることを示している。FMPT試料で均一な分散が得られるのは微小重力の効果によるものと考えられる。地上実験試料には、マクロな分離とともに、ミクロ組織の粗大化が観察された。マクロな分離は熱対流と、泡の運動による融液内の擾乱によるものと思われる。また、ミクロ組織の粗大化は熱対流やストークス運動などによるTiC粒子のオストワルド成長または合体の促進によるものと考えられる。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Production of high performance dispersed alloy with finely and homogeneously dispersed ceramic particles was studied by melting and solidification under microgravity giving little influence from difference of gravity and thermal convection. First, this production method was tested on ground surface. Large Isothermal Furnace (LIF) was used in experiment. The temperature profile and microstructure change of sample (Ni-Mo-Cr-TiC alloy) after the experiment in First Material Processing Test (FMPT) were presented. Microstructures of FMPT samples were homogeneous compared to samples produced in ground surface experiment. Further, it was found out from observation of hardness for both samples that hardness of samples produced in ground surface experiment was lower than hardness of FMPT samples, and variation of hardness extended over whole samples. This results indicates that FMPT samples is more homogeneous than samples produced in ground surface experiment, and TiC particles distribute finely and homogeneously. It is guessed that effect of microgravity caused homogeneous dispersion in FMPT samples. Microstructure coarsening was observed in samples produced in ground surface experiment as well as macroseparation. It is considered that cause of macroseparation is thermal convection and disturbance in melted solution generated by bubble motion. Moreover, it is estimated that microstructure coarsening is caused by promotion of Ostwald growth or integration of TiC particles by thermal convection, Stokes motion etc. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1345-7888 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00364784 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0004116006 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NASDA-TMR-940002 V.2 |