Journal of Welding and Joining

The Korean Welding and Joining Society (대한용접접합학회)
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Effect of Welding Variables for EBW Process in AISI 4130 by Taguchi Method

다구찌 방법을 이용한 AISI 4130재료에서 EBW공정의 용접 변수 영향

  • Published : 1997.12.01
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Abstract

In the present work, Taguchi method for electron beam welding(EBW) process in AISI 4130 steel plate has been adopted for investigating the contribution of effect of welding variables. $A L_8(2^7)$ orthogonal array is adopted to obtain the effect of adjustment parameters. The adjustment parameters consist of accelerating voltage, beam current, travel speed and focus currrent. And the quality features selected for the EBW process are bead width of weldment, reinforcement, penetration depth, undercut and area of weld metal. Variance analysis is performed in order to check the effect of adjustment parameters on EBW. The mechanical properties of electron beam welded joints for each heat treatment conditions are investigated in comparison with those of base metal, especially from the view point of tensile and impact properties.

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