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Laser cladding characteristics

Laser cladding characteristics

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  • Time of issue:2020-07-03 09:22
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(Summary description)

Laser cladding characteristics

(Summary description)

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2020-07-03 09:22
  • Views:
Information

Laser cladding is a surface modification technology. Laser cladding is a method of adding cladding material on the surface of the substrate and using a high-energy density laser beam to fuse it together with the thin layer of the substrate surface to form an additive cladding layer on the surface of the substrate that is metallurgically combined.

Specifically, the laser cladding technology refers to placing the selected coating material on the surface of the cladding substrate in different ways to melt it and a thin layer of the substrate surface at the same time by laser irradiation, and quickly solidify to form a dilution The surface coating that is metallurgically combined with the substrate has a very low degree of surface coating, which significantly improves the wear resistance, corrosion resistance, heat resistance, oxidation resistance and electrical characteristics of the substrate surface, so as to achieve the purpose of surface modification or repair. The requirements for the specific properties of the material surface save a lot of precious elements.

Laser cladding technology is a new technology with high economic benefits. It can prepare high-performance alloy surfaces on cheap metal substrates without affecting the properties of the substrate, reducing costs, and saving precious and rare metal materials. Compared with surfacing, spraying, electroplating and vapor deposition, laser cladding has the characteristics of low dilution, dense structure, good combination of coating and substrate, more suitable cladding materials, large changes in particle size and content, and good controllability , It can realize three-dimensional automatic processing with high processing quality. Therefore, the application prospect of laser cladding technology is very broad, and advanced countries in the world attach great importance to the research and application of laser cladding technology.

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