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JWJ > Volume 25(3); 2007 > Article
Journal of KWJS 2007 June;25(3) :85-91.
Published online July 19, 2007.
Study on Characteristics of Laser Surface Transformation Hardeningfor Rod-shaped Carbon Steel (Ⅱ) -  Comparison of Characteristics on Laser Surface Transformation Hardening as a Difference of Beam Profile -
Jong-Do Kim, Woon-Ju Kang

Correspondence:   Published online July 19, 2007
ABSTRACT
  The conventional study on the laser surface transformation hardening has been carried out with a beam of the specified shape and uniform power-intensity distribution in order to ensure the uniformity of the hardening depth. Two types of beams - the circular gaussian beam and rectangular beam of the uniform power-intensity distribution were used in this study. we were supposed to optimize the process parameters and to compare the hardening results with two optics respectively. As a result, the hardness distribution of the hardened zone was similar in both cases and the hardened phase by the rectangular beam was denser than that by the circular gaussian beam.
Keywords: Defocusing;Integration mirror;Circular gaussian beam;Rectangular beam
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Study on Characteristics of Laser Surface Transformation Hardening for Rod-shaped Carbon Steel (Ⅰ) - Characteristics of Surface Transformation Hardening by Laser Heat Source with Gaussian Intensity distribution -  2007 June;25(3)
Study on Characteristics of Laser Surface Transformation Hardening for Rod-shaped Carbon Steel (Ⅰ) - Characteristics of Surface Transformation Hardening by Laser Heat Source with Gaussian Intensity distribution -  2007 June;25(3)
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