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Title: アルミナイド系金属間化合物の反応性被覆
Other Titles: Reactive Coating of Aluminide Intermetallic Compounds
Authors: 松浦, 清隆1 Browse this author →KAKEN DB
小柳, 貴幸2 Browse this author
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): Matsuura, Kiyotaka1
Koyanagi, Takayuki2
Kudoh, Masayuki3
Oh, Jang-Hwan4
Kirihara, Soshu5
Miyamoto, Yoshinari6
Keywords: surface modification
arc surface alloying
Issue Date: 25-Feb-2003
Publisher: 日本鋳造工学会
Journal Title: 鋳造工学
Volume: 75
Issue: 2
Start Page: 115
End Page: 122
Abstract: Two new different methods for coating aluminide intermetallic compounds on metals have been proposed : one is based on exothermic reaction between droplets of aluminum liquid and metal powder, while the other is based on arc surface alloying with aluminide forming metals. The feasibility of the former method was experimentally investigated using NiAl and SUS 316L stainless steel as demonstration coating material and base material, respectively. As soon as an aluminum droplet was dropped onto the nickel powder that had been placed on steel surface, the droplet and powder exothermically reacted and produced a superheated NiAl liquid bead on the steel surface, and the heat of the liquid bead melted the contact surface of the steel. The superheated NiAl liquid bead solidified on the steel surface, leading to NiAl coating on the steel. On the other hand, the feasibility of the latter method was experimentally confirmed by NbAl3 coating on niobium. When tungsten arc was used to melt an aluminum sheet placed on a niobium plate, the niobium surface was also melted and a melt pool of Al-Nb alloy was formed on the niobium plate. The melt pool solidified into layers of niobium aluminides on the surface of the niobium plate, forming a thick NbAl3 layer on the top surface of the niobium aluminides layers.
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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