The Latest Research Progress of Extreme High-speed Laser Material Deposition: Key Technical Features and Advantages, Equipment Development and Technical Parameters

被引：0

作者：

Liu, Chunquan ^{[1
]}

Xiong, Fen ^{[1
]}

Peng, Longsheng ^{[2
]}

Huang, Wei ^{[2
]}

Lin, Yinghua ^{[3
]}

机构：

[1] School of Materials Science and Engineering, Hunan Institute of Technology, Hunan, Hengyang

[2] Hunan Lifang Roll Co., Ltd., Hunan Advanced Manufacturing Engineering Technology Research Center of High Wear-resistant Alloy Materials, Hunan, Hengyang

[3] School of Mechanical Engineering, University of South School, Hunan, Hengyang

来源：

Cailiao Daobao/Materials Reports | 2024年 / 38卷 / 17期

关键词：

coatings; extreme high-speed laser material deposition; features and advantages; key technical parameters;

D O I：

10.11896/cldb.23020075

中图分类号：

学科分类号：

摘要：

Extreme high-speed laser material deposition technology is a newly developed surface coating technology in recent years. The essence is that by changing the melting position of the powder, the powder intersects with the laser above the workpiece and melting occurs, and then uniformly coated on the surface of the workpiece, thus featuring high quality and efficiency, green and low cost, high quality and adaptability, low heat input and low laser power, low dilution rate and high performance. Firstly, it briefly introduces the key technology features and technical advantages of extreme high-speed laser material deposition, the development status of ultra-high-speed laser cladding equipment at home and abroad;secondly, the key technical parameters such as melting material, laser power, lap rate, spot diameter, melting speed, powder feeding volume and powder feeding pressure, which affect the final structure and properties of coatings prepared by ultra-high speed laser melting, are highlighted with the latest research results;finally, the quality inspection parameters of coatings prepared by ultra-high speed laser melting are introduced in detail, including the melting effect of melting layer thickness, bond strength, porosity, dilution rate, surface roughness, hardness, wear resistance and corrosion resistance, etc.. By summarizing the characteristics, advantages and key technical parameters of extreme high-speed laser material deposition technology, with a view to providing reference and guidance for further improvement and enhancement of extreme high-speed laser material deposition technology and more progress in equipment development. © 2024 Cailiao Daobaoshe/ Materials Review. All rights reserved.

引用

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