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Grain Refinement of Combustion-synthesized NiAl by Addition of Al2O3 Particles

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ISIJ Int. 37(1) 87.pdf915.69 kBPDFView/Open
Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/75734

Title: Grain Refinement of Combustion-synthesized NiAl by Addition of Al2O3 Particles
Authors: Matsuura, Kiyotaka Browse this author →KAKEN DB
Kitamura, Toshiki Browse this author
Kudoh, Masayuki Browse this author
Itoh, Youichi Browse this author
Ohmi, Tatsuya Browse this author →KAKEN DB
Keywords: powder metallurgy
reactive sintering
combustion synthesis
intermetallic compound
mononickel aluminide
mechanical property
grain refinement
Issue Date: 15-Jan-1997
Publisher: Iron and Steel Institute of Japan
Journal Title: ISIJ International
Volume: 37
Issue: 1
Start Page: 87
End Page: 92
Publisher DOI: 10.2355/isijinternational.37.87
Abstract: An intermetallic compound of mononickel aluminide (NiAl) is combustion-synthesized from a mixture of nickel and aluminum powders by a pseudo-Hot-Isostatic-Pressing (pseudo-HIPing) method. The effects of the addition of alumina (Al2O3) particles on the microstructure and mechanical properties of the combustion-synthesized NiAl is investigated. The density and hardness of the NiAl significantly increase with increasing pseudo-HIPing pressure applied during the combustion synthesis. The increase in the volume fraction of the added Al2O3 particles leads to a slight decrease in the density of the NiAl, but it does not affect the hardness. The grain size of NiAl decreases, as the volume fraction of the added Al2O3 particles increases and as the size of the Al2O3 particles decreases.
Rights: 著作権は日本鉄鋼協会にある
Type: article
URI: http://hdl.handle.net/2115/75734
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: 松浦 清隆

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