Preprints of the National Meeting of JWS
the national meeting 2007 spring
Session ID : 201
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Study on laser welding of thick steel plate
Kazuhiro Kojima*Tadayuki OtaniShigeru OhkitaSusumu TsukamotoGoro Arakane
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
The effect of some alloying elements on porosity formation was investigated. Full penetration laser welding was carried out on 12mm thickness steels, With increasing C in the base metal, the porosity decreased more significantly. On the other hand, S enhanced the porosity formation.
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© 2007 by Japan Welding Society
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