Study on Defect of 304 Stainless Steel Industrial Condensation Board in CO2 Laser Welding

Jian Luo; Ke Liang Xue; Fei Li; J.F. Xiang; D.K. Yin

doi:10.4028/www.scientific.net/AMR.189-193.3437

Paper Titles

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Numerical Simulation of Punching Bonding Based on AutoForm
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Stress Distribution of Bonded Joint with Rubbery Adhesives
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Study on the Numerical Simulation of the Resistance Spot Welding Process of Magnesium Alloy
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Study on Defect of 304 Stainless Steel Industrial Condensation Board in CO₂ Laser Welding
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A Rapid Process for Fabricating Microfluidic Devices with a Low-Cost UV Curable Resin
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3-D Finite Element Analysis on a Fillet Weld Sealing Joint in the High-Pressure Hydrogenation Heat Exchanger
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Mechanical Properties on the Welded Connection of Pipe and Hollow Spheres Joints
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Solid-State Dye-Sensitized Solar Cells Based on ZnO Nanorod Arrays by Low-Temperature Chemical Bath Deposition
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 189-193Study on Defect of 304 Stainless Steel Industrial...

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.