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A platform for research: civil engineering, architecture and urbanism
Laser cladding copper-based self-lubricating material as well as preparation method and application thereof
The invention discloses a laser cladding copper-based self-lubricating material as well as a preparation method and application thereof, a precursor is combined with a laser cladding process, and a copper-based self-lubricating cladding layer with a good structure is prepared on the surface of a Q235 steel plate, so that the copper-based self-lubricating cladding layer exerts excellent antifriction, wear-resistant and corrosion-resistant properties during service. The defects that a traditional copper-based material is prone to refraction, light reflection, high in heat dissipation performance and the like under laser can be overcome, the defects of cladding layer composition segregation, cracks, air holes, inclusions, oxides and the like are overcome, and the method has the advantages of being high in energy density, compact in cladding layer structure, high in strength and hardness, good in copper/steel interface metallurgical bonding performance, easy to achieve automation and the like. The invention provides a feasible preparation method for large-scale popularization of the material in the field of turnout slide plates.
本发明公开了一种激光熔覆铜基自润滑材料及其制备方法和应用，采用前驱体结合激光熔覆工艺，在Q235钢板表面制备一层组织良好的铜基自润滑熔覆层，使其在服役时发挥优良的减摩、抗磨、防腐性能。能够避免传统铜基材料在激光下易折射、反光、散热性强等缺点，解决熔覆层成分偏析、裂纹、气孔、夹杂、氧化物等缺陷，具有能量密度高、熔覆层组织致密、强度和硬度高，铜/钢界面冶金结合性能好，易于实现自动化等优点，为该材料在道岔滑床板领域的大规模推广提供了一种可行的制备方法。
Laser cladding copper-based self-lubricating material as well as preparation method and application thereof
The invention discloses a laser cladding copper-based self-lubricating material as well as a preparation method and application thereof, a precursor is combined with a laser cladding process, and a copper-based self-lubricating cladding layer with a good structure is prepared on the surface of a Q235 steel plate, so that the copper-based self-lubricating cladding layer exerts excellent antifriction, wear-resistant and corrosion-resistant properties during service. The defects that a traditional copper-based material is prone to refraction, light reflection, high in heat dissipation performance and the like under laser can be overcome, the defects of cladding layer composition segregation, cracks, air holes, inclusions, oxides and the like are overcome, and the method has the advantages of being high in energy density, compact in cladding layer structure, high in strength and hardness, good in copper/steel interface metallurgical bonding performance, easy to achieve automation and the like. The invention provides a feasible preparation method for large-scale popularization of the material in the field of turnout slide plates.
本发明公开了一种激光熔覆铜基自润滑材料及其制备方法和应用，采用前驱体结合激光熔覆工艺，在Q235钢板表面制备一层组织良好的铜基自润滑熔覆层，使其在服役时发挥优良的减摩、抗磨、防腐性能。能够避免传统铜基材料在激光下易折射、反光、散热性强等缺点，解决熔覆层成分偏析、裂纹、气孔、夹杂、氧化物等缺陷，具有能量密度高、熔覆层组织致密、强度和硬度高，铜/钢界面冶金结合性能好，易于实现自动化等优点，为该材料在道岔滑床板领域的大规模推广提供了一种可行的制备方法。
Laser cladding copper-based self-lubricating material as well as preparation method and application thereof
一种激光熔覆铜基自润滑材料及其制备方法和应用
WANG YIRAN (author) / GAO YIMIN (author) / XIAO PENG (author)
2023-05-26
Patent
Electronic Resource
Chinese
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