Paper Title:
Study on Defect of 304 Stainless Steel Industrial Condensation Board in CO2 Laser Welding
  Abstract

Based on the welding problems of 304 stainless steel serpentine flow industrial condensation plate, the three kinds of CO2 laser welding procedures are adopted to manufacture the condensation plate. The optical microscope, SEM, EDS, micro-hardness and tensile tests are used to analyze the microstructure and micro-hardness of 304 stainless steel sheet joint. The relationships between the generated defects and carbide separation in the welding joint are discussed. Due to the grain refinement, the micro-hardness of welding seam is increased. Therefore, it is reasonable factors that the heat input, cooling velocity and temperature gradient to improve the defects of 304 stainless steel serpentine flowing channel industrial condensation board in CO2 laser welding.

  Info
Periodical
Advanced Materials Research (Volumes 189-193)
Edited by
Zhengyi Jiang, Shanqing Li, Jianmin Zeng, Xiaoping Liao and Daoguo Yang
Pages
3437-3440
DOI
10.4028/www.scientific.net/AMR.189-193.3437
Citation
J. Luo, K. L. Xue, F. Li, J.F. Xiang, D.K. Yin, "Study on Defect of 304 Stainless Steel Industrial Condensation Board in CO2 Laser Welding", Advanced Materials Research, Vols. 189-193, pp. 3437-3440, 2011
Online since
February 2011
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Price
$32.00
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