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Effect of Laser Power on the Cladding Temperature Field and the Heat Affected Zone
Authors:LUO Fang  YAO Jian-hua  HU Xia-xia  CHAN Guo-zhong
Affiliation:[1]College of Zhijiang, Zhejiang University of Technology, Hangzhou 310024, Zhejiang, China; [2]Key Laboratory of Special Purpose Equipment and Advanced Processing Technology of Ministry of Education, Zhejiang University of Technology, Hangzhou 310012, Zhejiang, China
Abstract:Abstract: In this paper, H13 powder is cladded on P20 base during continuous CO2 laser, the influence of processing technologies such as the laser power is analyzed. The 3-D model of synchronous powder feeding is established under Gauss heat source, the simulation results are compared with the experimental data. The results show that the temperature field and the size of heat affected zone are affected by laser power. In the heat affected zone, experimental sizes are compared with simulative sizes, the average errors in width and in depth are 15% and 4.5%, respectively.
Keywords:laser power  laser cladding  temperature field  heat affected zone
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