Tandem Electron Beam Welding (Report VIII) : Control of Molten Metal Flow(Physics, Process, Instrument & Measurement)
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概要
- 論文の詳細を見る
The molten metal flow during single electron beam welding and Tandem Electron Beam welding with a deep penetration was observed using tungsten particle tracer and transmission X-ray method. The molten metal flow during single electron beam welding showed several local circulation rather than one circular flow within the whole pool. This flow related directly to the occurrence of defects. The molten metal flow pattern in Tandem Electron Beam welding was controlled with changing the parameters of the second beam. When the molten metal flow was controlled to be one circular flow in the pool, the defects were suppressed. By using the molten metal flow control effect, filler metal mixing were performed. Uniform mixing of filler metal was achieved up to 50mm depth with proper Tandem Electron Beam welding conditions.
- 大阪大学の論文
著者
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Arata Y
Osaka Univ. Osaka Jpn
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TOMIE Michio
Osaka University
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ABE Nobuyuki
Osaka University
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ARATA Yoshiaki
Osaka University
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Yao Xiang-yu
Osaka University
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Tomie Michio
Kinki University
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Abe Nobuyuki
Osaka Univ. Osaka Jpn
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Abe Nobuyuki
Joining And Welding Research Institute Osaka University
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