Weldability of Fe-36%Ni Alloy (Report I) : Hot Cracking with Cross-Bead Test(Materials, Metallurgy, Weldability)
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概要
- 論文の詳細を見る
Behavior of weld hot crack in Fe-36%Ni alloy which is used as elements of membrane-type container for liquefied gas has been studied. Cracking test used has been cross-bead type in order to study the cracks occurring in previous welding pass reheated by the following welding pass or repair welding pass. Main conclusions obtained are as follows ; 1) Weld metal reheated to the range of about 800 to 1300℃ is susceptible to crack. 2) The crack occurs at migrated grain boundary after solidification. 3) The fractograph gives a brittle intergranular fracture. 4) These behaviors mean that the crack is not a liquation crack, but a ductility-dip crack.
- 大阪大学の論文
著者
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MATSUDA Fukuhisa
Osaka University
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NAKAGAWA Hiroji
Osaka University
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SAKABATA Nobuharu
Hitachi Zosen Corp.
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Nagai Akira
Hitachi Shipbuildings Engineering Co. Ltd.
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Nagai Akira
Hitachi Research Laboratory Hitachi Ltd.
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Matsuda Fukuhisa
Osaka Univ.
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