Effect of $O_2$ and Al Coantent on the Weld Penetration

STS 강의 $O_2$ 및 Al함량이 용접용입량에 미치는 영향

  • 김희봉 (한양대학교, 금속공학과) ;
  • 김정호 (한양대학교, 금속공학과) ;
  • 이창희 (한양대학교, 금속공학과)
  • Published : 1997.06.01

Abstract

The effect of $O_2$and Al contents and the variation of welding parameters such as arc currents, welding speed on the weld penetration was investigated. Examination of weld penetration using GTAW was accomplished in the ferritic STS410L and austenitic STS304. Good penetration could be controlled by the variation of $O_2$ and Al contents in STS304. However, influences of $O_2$ and Al contents on the ferritic STS410L are far less than those on the austenitic STS304. Welding parameters should be considered first before controlling $O_2$ and Al contents for a good penetration in ferritic STS410L. In the simulation study under the stationary heat sources, the results of simulation and experiment have a similar tendency.

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References

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