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Volume 6 Issue 3
Jun.  2015
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DENG Jujun, LIU Zheng, ZHU Tao. Process parameters of laser cladding iron-based coating iron-based coating[J]. Nonferrous Metals Science and Engineering, 2015, 6(3): 51-55,60. DOI: 10.13264/j.cnki.ysjskx.2015.03.010
Citation: DENG Jujun, LIU Zheng, ZHU Tao. Process parameters of laser cladding iron-based coating iron-based coating[J]. Nonferrous Metals Science and Engineering, 2015, 6(3): 51-55,60. DOI: 10.13264/j.cnki.ysjskx.2015.03.010
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Process parameters of laser cladding iron-based coating iron-based coating

  • School of Mechanical and Electrical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China

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  • Received Date: November 20, 2014
  • Published Date: June 29, 2015
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    • Abstract
  • Comparative experiments of friction and wear were performed on MM-P2-screen friction and wear tester using laser cladding iron-based coating as the object of study. The morphology of cladding layer under different process parameters were studied by analyzing the changes of wear amount and cladding coating. The results show that the surface hardness are above 62 HRC after cladding coating, far higher than the hardness of substrate. Scanning speed and laser power are the most important factors affecting the morphology and quality of cladding layer. Energy density characterization results show the best abrasion resistance occurs when the energy density is around 60 J/mm2. The scope of the optimal process parameters are: laser power approximately 3.2 kW, the scanning speed around 300 mm/min. The results show that too high laser power and scanning speed also decrease the abrasion resistance of cladding layer.
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    • References (15)
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