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WU Teng, SHI Wenqing, XIE Linyi, GONG Meimei, HUANG Jiang, XIE Yuping, HE Kuanfang. Forming quality control method of laser cladding Fe-based TiC composite coating[J]. LASER TECHNOLOGY, 2022, 46(3): 344-354. DOI: 10.7510/jgjs.issn.1001-3806.2022.03.008
Citation: WU Teng, SHI Wenqing, XIE Linyi, GONG Meimei, HUANG Jiang, XIE Yuping, HE Kuanfang. Forming quality control method of laser cladding Fe-based TiC composite coating[J]. LASER TECHNOLOGY, 2022, 46(3): 344-354. DOI: 10.7510/jgjs.issn.1001-3806.2022.03.008
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Forming quality control method of laser cladding Fe-based TiC composite coating

  • 1.

    College of Electronic and Information Engineering, Guangdong Ocean University, Zhanjiang 524088, China

  • 2.

    School of Mechatronic Engineering and Automation, Foshan University, Foshan 528225, China

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  • Received Date: April 11, 2021
  • Revised Date: April 14, 2021
  • Published Date: May 24, 2022
    Graphical Abstract
    • Abstract
  • In order to reveal the effect of laser cladding process parameters on the forming quality of Fe based TiC composite cladding layer and optimize the laser cladding process parameters, a YAG solid-state laser was used to achieve laser cladding Fe-based TiC composite coating on 60Si2Mn substrate, and a mathematical model was established to study the influence of output current, pulse width, and scanning speed on cladding width, height, molten pool depth, aspect ratio, dilution rate, and hardness based on response surface method. Then the mathematical model was analyzed by variance analysis. And the functional relationship between process parameters and molding quality was obtained. The results show that the output current and pulse width have a positive correlation with the coating width, and the scanning speed is inversely proportional to the coating width; The scanning speed has no significant effect on the height of cladding layer and the depth of molten pool; The ratio of coating width to coating height increases with the increase of output current; The output current has the most significant effect on the coating dilution ratio, followed by the pulse width; High hardness can be obtained with higher output current and scanning speed; The error of the optimized model is less than 5%. The results can be used to predict the forming quality of Fe based ceramic composite coating and optimize the laser processing parameters.
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    • References (25)
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