Automatic Wet Underwater Welding at Horizontal Position of Tubes Using Water Curtain type GMA Welding Technique
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概要
- 論文の詳細を見る
As one of applications of water curtain type underwater GMA welding technique, automatic girth welding of tubes at a horizontal position was carried out at a water dpeth of 2 m and a water depth of 50 m. In the welding at a water depth of 2 m, a 450 mm diam. 6.4 mm thick tube and a 560 mm diam. 16 mm thick tube were used. In the welding at a water depth of 50 m, a 250 mm diam. 16 mm thick tube was used. Salisfactory welding results were obtained for all the tubes with no defects at all appearing in the welds in 180° bending test and radiographic inspection test.
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著者
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ARATA Yoshiaki
Welding Research Institute of Osaka Univ.,
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Hamasaki Masanobu
Metal And Machine Dep. Of Govt. Industrial Research Inst.
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Sakakibara Jitsuo
Metal And Machine Dep. Of Govt. Industrial Research Inst.
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SAKAKIBARA Jitsuo
Chief Investigator of Machinery & Metal Dept., Govt. Industrial Research Inst.
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SAKAHATA Shinji
Welding & Painting Research Laboratory of Technical Research Inst., HITACHI Ship Biulding & Engineer
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Sakahata Shinji
Welding & Painting Research Laboratory Of Technical Research Inst. Hitachi Ship Biulding & E
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Arata Yoshiaki
Welding Department Faculty Of Engineering Osaka University
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