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Fabrication of NiAl/Steel Cladding by Reactive Casting

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Title: Fabrication of NiAl/Steel Cladding by Reactive Casting
Authors: Matsuura, Kiyotaka Browse this author →KAKEN DB
Jinmon, Hiroshi Browse this author
Kudoh, Masayuki Browse this author
Keywords: casting
intermetallic compound
carbon steel
Issue Date: 15-Feb-2000
Publisher: Iron and Steel Institute of Japan
Journal Title: ISIJ International
Volume: 40
Issue: 2
Start Page: 167
End Page: 171
Publisher DOI: 10.2355/isijinternational.40.167
Abstract: A novel joining process based on reactive casting is proposed. By pouring molten aluminum and nickel onto a steel block, molten nickel monoaluminide, NiAl, is exothermically synthesized, and is joined to the steel block when it solidifies on the steel block. Heat generated by an exothermic reaction, Ni1Al→NiAl+DHp298, is transferred from the synthesized NiAl to the steel block, and the surface layer of the steel block is melted. The depth of the melted steel increases with both the preheating temperature of the steel block and the thickness of the synthesized NiAl. Iron from the melted steel dissolves in the molten NiAl, and an NiAl-base intermetallic compound, (Ni, Fe)Al, is produced. Cracks or other intermetallic phases such as NiAl3 or FeAl are not formed at all at the joint interface between the (Ni, Fe)Al and the steel block. The synthesized (Ni, Fe)Al has an excellent resistance to corrosion and oxidation.
Rights: 著作権は日本鉄鋼協会にある
Type: article
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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