本文简要介绍非晶合金的结构和性能,以及传统制备块体非晶合金方法的局限性.结合激光熔覆技术的特性,重点综述在金属材料基体表面上利用激光熔覆技术制备Fe基、Zr基、Ni基、Cu基和其他非晶涂层的研究现状,以及激光制备工艺参数、微合金化元素种类和含量、增强相等因素对激光熔覆非晶涂层的影响.最后,指出利用激光熔覆技术制备非晶涂层的成分设计和控制、激光熔覆工艺的设计和优化、激光熔覆非晶涂层的基础理论研究等方面存在的主要问题和今后的发展方向.
The microstructure and property of amorphous alloy as well as the limitations of the traditional manufacturing methods for the bulk amorphous alloy were briefly introduced in this paper.Combined with characteristics of the laser cladding technique,the research status of the laser cladding Fe-based,Zr-based,Ni-based,Cu-based and Al-based amorphous coatings on the metal substrates were mainly summarized.The effects of factors such as laser processing parameter,micro-alloying element type and content and reinforcing phase on the laser cladding amorphous coatings were also involved.Finally,the main problems and the future research directions of the composition design and control of the laser-cladded amorphous coating,the design and optimization of the laser cladding process,and the basic theory of the laser cladding amorphous coatings were also put forward finally.
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