Weldadility of Fe-36%Ni Alloy (Report V) : Behaviors of Grain-boundary Sliding and Cavity Formation Preceding Reheat Hot Cracking in Weld Metal(Materials, Metallurgy & Weldability)
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概要
- 論文の詳細を見る
To reveal the mechanism of reheat hot cracking in weld metal of Invar, microstructural behaviors concerning the cracking, namely grain-boundary sliding, cavity formation, grain-boundary migration and recrystallization during hot ductility test were studied. Main conclusions obtained are as follows: (1) Grain-boundary sliding and its resultant cavity formation are prerequisite to the cracking. (2) One of the reason for high ductility in the temperature below the temperature region giving ductility trough causing the crack is the difficulty of grain-boundary sliding. (3) Grain-boundary migration and dynamic recrystallization have important roles in raising the ductility in the high temperature region of the ductility trough.
- 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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Zhang Y‐c
Osaka Univ. Osaka Jpn
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Zhang Yue-chang
Osaka University:shanghai Jiao Tong Univ.
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Nakagawa H
Osaka Univ. Jpn
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Zhang Yue-chang
Osaka University
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Matsuda Fukuhisa
Osaka Univ.
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