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TiC基超硬合金の燃焼合成と予熱処理による気孔率の変化

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J. Jpn. Inst. Light Metals 59(1)_ 2-6 (2009).pdf2.57 MBPDFView/Open
Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/75327

Title: TiC基超硬合金の燃焼合成と予熱処理による気孔率の変化
Other Titles: Combustion synthesis of TiC-based cemented carbide alloy and effect of preheating treatment on porosity
Authors: 小嶋, 桂介1 Browse this author
松浦, 清隆2 Browse this author →KAKEN DB
大笹, 憲一3 Browse this author
大野, 宗一4 Browse this author →KAKEN DB
Authors(alt): Kojima, Keisuke1
Matsuura, Kiyotaka2
Ohsasa, Kenichi3
Ohno, Munekazu4
Keywords: combustion synthesis
cemented carbide
TiC-Fe composite
preheating
porosity
Issue Date: 30-Jan-2009
Publisher: 軽金属学会
Journal Title: 軽金属
Journal Title(alt): Journal of Japan Institute of Light Metals
Volume: 59
Issue: 1
Start Page: 2
End Page: 6
Publisher DOI: 10.2464/jilm.59.2
Abstract: In the present study, it is shown that TiC–20vol%Fe composites can be successfully fabricated by combustion synthesis from elemental powder compacts of titanium, carbon and iron. Particular concern is directed to reduction of the porosity in the product by preheating procedure of the powder compact. There exists 36% of porosity in the fabricated composites without the preheating treatment. However, the preheating treatment leads to the reduction of the volume fraction of porosity to about 10% and, furthermore, a two-step preheating treatment reduces the volume fraction of porosity down to about 5%. Vickers hardness of the TiC–Fe composites fabricated in this study was measured to be around 1300 HV regardless of the preheating condition.
Type: article
URI: http://hdl.handle.net/2115/75327
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 大野 宗一

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