激光与光电子学进展, 2021, 58 (1): 0100007, 网络出版: 2021-01-27
金属材料的激光增材制造微观组织结构特征及其影响因素 
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Microstructure Characteristics and Their Influence Factors During Laser Additive Manufacturing of Metal Materials
激光光学 激光增材制造 多层结构成形 微观组织结构特征 影响因素 laser optics laser additive manufacturing multilayer parts forming microstructure characteristics influence factors
摘要
激光增材制造（LAM）涉及了复杂的热作用加工过程,在该工艺下制备的多层结构成形件也具有复杂的微观组织结构特征。而成形件的微观组织结构特征决定了其机械性能,优化微观组织结构特征是进一步实现机械性能的精确调控的关键所在。本文综述了LAM多层结构成形件的微观组织结构特征,总结了其微观组织结构特征演变的影响因素,为实现LAM多层结构成形件的微观组织结构特征优化提供参考。
Abstract
Laser additive manufacturing （LAM） involves a complex heat-processed process, and the produced multilayer parts also have complex microstructure characteristics. The microstructure characteristics of the parts determine their mechanical properties, thus the optimization of microstructure characteristics is the key to further realize the precise control of the mechanical properties. This article reviews the microstructure characteristics of the LAM multilayer parts and summarizes the factors influencing the evolution of the microstructure characteristics, which provides a reference for the optimization of the microstructure characteristics of the LAM multilayer parts.
李时春, 莫彬, 肖罡, 孙富建. 金属材料的激光增材制造微观组织结构特征及其影响因素[J]. 激光与光电子学进展, 2021, 58(1): 0100007. Li Shichun, Mo Bin, Xiao Gang, Sun Fujian. Microstructure Characteristics and Their Influence Factors During Laser Additive Manufacturing of Metal Materials[J]. Laser & Optoelectronics Progress, 2021, 58(1): 0100007.
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