書誌事項
- タイトル別名
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- Magnetic Properties of Carbon Composite Material Prepared by Ball-Milling
- ボールミルホウ ニ ヨリ ゴウセイ サレタ タンソ フクゴウ ザイリョウ ノ コウゾウ オヨビ ジカ トクセイ
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説明
Carbon-metal composite materials are expected for application to the catalyst and the electromagnetic wave absorbers. In this study, carbon-metal composite materials synthesized by the ball-milling (BM) process. Elemental powder of the Carbon (purity 99.9 %) was used. In this study the SUS304 γ-austenite stainless steel was used for the container and the balls. The weight ratio of ball to powder was 120:1. BM was carried out for maximum 216 ks at a speed of 11.4 Hz and the BM system was water-cooled by high-power BM apparatus (NEV-MA8, Nissin-Giken, Japan). The samples prepared by BM were removed from the pot in a glove box under argon. Obtained samples were somewhat contaminated from ball or container of stainless steel due to heavy scraping action between ball and container. BM for 216 ks yielded metallic phase (SUS304) to transform to α'-martensite due to heavy strain given to the γ-austenite during ball milling as mentioned above. As the result, fine metallic grains with equivalent composition to SUS304, C70Fe20Cr6Ni3 were distributed in carbon. This composite material was fully magnetized to 10 Am2 kg-1 at the magnetic field of 2.0 MA m-1.
収録刊行物
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- 粉体および粉末冶金
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粉体および粉末冶金 57 (1), 3-9, 2010
一般社団法人 粉体粉末冶金協会
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詳細情報 詳細情報について
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- CRID
- 1390282681285275136
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- NII論文ID
- 10026346062
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- NII書誌ID
- AN00222724
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- COI
- 1:CAS:528:DC%2BC3cXpslKhuw%3D%3D
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- ISSN
- 18809014
- 05328799
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- NDL書誌ID
- 10530434
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可