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液滴/粉末間の燃焼合成反応を利用した NiAlの溶接

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Title: 液滴/粉末間の燃焼合成反応を利用した NiAlの溶接
Other Titles: Welding of NiAl by Self-Propagating High-Temperature Synthesis Reaction between Droplet and Powder
Authors: 小柳, 貴幸1 Browse this author
松浦, 清隆2 Browse this author →KAKEN DB
工藤, 昌行3 Browse this author
呉, 長桓4 Browse this author
桐原, 聡秀5 Browse this author
宮本, 欽生6 Browse this author
Authors(alt): Koyanagi, Takayuki1
Matsuura, Kiyotaka2
Kudoh, Masayuki3
Oh, Jang-Hwan4
Kirihara, Soshu5
miyamoto, Yoshinari6
Issue Date: 25-Dec-2003
Publisher: 日本鋳造工学会
Journal Title: 鋳造工学
Volume: 73
Issue: 12
Start Page: 852
End Page: 857
Abstract: A new welding method was proposed based on the self-propagating high-temperature synthesis (SHS) reaction between droplets and powder of elemental metals, and its feasibility was investigated in a simple experiment. In the experiment, an aluminum droplet was dropped onto nickel powder heaped up in a groove at the interface between two NiAl substrates. The aluminum and nickel exothermically reacted and produced intermetallic compounds in Al-Ni system, and the NiAl substrates near the interface were melted by the heat from the reaction. The microstructure of the reaction products varied depending on the initial temperatures of the aluminum droplet and nickel powder and also the groove spacing. Increase in initial temperatures of the aluminum droplet and nickel powder and the groove spacing promoted both the exothermic reaction to synthesize NiAl in the groove and the melting of the joint surface of the substrates.
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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