Effect of Welding Cooling Rate and PWHT Conditions on the Toughness of Electron Beam Weld Metal(Materials, Metallurgy & Weldability)
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概要
- 論文の詳細を見る
Application of electron beam welding for heavy section large structures is advancing. But, when a heavy section low alloy steel plate is welded, the weld metal toughness deteriorates. Therefore, it is very important to increase the weld metal toughness. Then we have investigated the effects of the electron beam welding cooling rate and PWHT conditions on weld metal toughness and we have also studied the mechanism of toughness changes metallographically. Consequently, it has been clarified that in order to increase the toughness of electron beam weld metal for low alloy steel, the structure should he lower bainite by increasing welding cooling rate and a temper parameter of about 19 should be selected as the key for PWHT.
- 大阪大学の論文
著者
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MATSUDA Fukuhisa
Osaka University
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Billy J
Technical Univ. Kosice Kosice Csk
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BILLY Jozef
JWRI
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TAKANO Genta
Mitsubishi Heavy Industries, Ltd.
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NAYAMA Michisuke
Mitsubishi Heavy Industries, Ltd.
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SAKAMOTO Naruo
Mitsubishi Heavy Industries, Ltd.
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KURI Shuhei
Mitsubishi Heavy Industries, Ltd.
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Kuri Shuhei
Mitsubishi Heavy Industries Ltd.
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Takano Genta
Mitsubishi Heavy Industries Ltd.
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Takano G
Mitsubishi Heavy Industries Ltd.
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Sakamoto N
Mitsubishi Heavy Industries Ltd.
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Sakamoto Naruo
Mitsubishi Heavy Industries Ltd.:takasago Research & Development Center
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Nayama Michisuke
Mitsubishi Heavy Industries Ltd.
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Matsuda Fukuhisa
Osaka Univ.
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