Analysis on Laser Welding of Hard Alloy Circular Saw Blades

Qiang Wu; Lan Ying Xu; Xu Bo Yuan; Yu Zhong Li

doi:10.4028/www.scientific.net/AMM.155-156.741

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 155-156Analysis on Laser Welding of Hard Alloy Circular...

Analysis on Laser Welding of Hard Alloy Circular Saw Blades

Abstract:

Based on a large number of CO2 laser welding tests to hard alloy saw blade cutter by PHC-1300 type laser of 1300W and TEM00 mode, and the laser welding parameters and weld microstructures were analyzed ,the mechanical performance tests were also done. The experimental results show that CO2 laser welding can improve combination strength and bearing capacity of the hard alloy circular saw blade cutter; the laser focal spot offset a distance from the weld line to the center of basal body, which can get the optimal weld line; selecting low carbon alloy steel as matrix material and selecting Co-based alloy as knife head lining material are suitable.

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Periodical:

Applied Mechanics and Materials (Volumes 155-156)

Pages:

741-745

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.155-156.741

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Online since:

February 2012

Authors:

Qiang Wu, Lan Ying Xu, Xu Bo Yuan, Yu Zhong Li

Keywords:

Hard Alloy Circular Saw Blades, Laser Deep Penetration Welding, Softening of HAZ, Welding Technology

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