Proceedings of the Korean Society of Precision Engineering Conference (한국정밀공학회:학술대회논문집)

  • 2006.05a
  • /
  • Pages.17-18
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  • 2006
  • /
  • 2005-8446(pISSN)
Korean Society for Precision Engineering (한국정밀공학회)
권호 표지

Welding Characteristics of Cold Rolled Carbon Steel utilize CW Nd:YAG Laser

CW Nd:YAG 레이저를 이용한 냉연강판의 용접특성

  • Shin B.H. (Precision Mechanical. Eng. Dept., CHU) ;
  • Yoo Y.T. (Mechatronics. Eng. Dept., CHU) ;
  • Shin H.J. (Precision Mechanical. Eng. Dept., CHU) ;
  • Ahn D.G. (Mech. Eng. Dept., CHU)
  • 신병헌 (조선대 대학원 정밀기계공학과) ;
  • 유영태 (조선대 메카트로닉스공학과) ;
  • 신호준 (조선대 대학원 정밀기계공학과) ;
  • 안동규 (조선대 기계공학과)
  • Published : 2006.05.01
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Abstract

Laser welding of metals has been widely used to improve a wear resistance and a corrosion resistance of the industrial parts. The objective of this research works is to investigate the influence of the process parameters, such as the welding for metals with CW Nd:YAG lasers. The bead-on-plate welding tests are carried out for several combinations of the experimental conditions. In order to quantitatively examine the characteristics of the butt welding, the welding quality of the cut section, stain-stress behavior and the hardness of the welded part are investigated. From the results of the investigation, it has been shown that the optimal welding condition without defects in the vicinity of the welded area and with a good welding quality is 1400W of the laser power, 0.8m/min, 0.9m/min of welding speed and $4{\ell}$ in of pressure for shielding gas.

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