激光增材制造金属构件的缺陷控制研究进展  

Research Progress on Forming Mechanism and Control Strategies of Metallurgical Defects by Laser Additive Manufacturing Metal Components

作　　者：曹亮 姚磊 梁静静[2] 商连奇 CAO Liang;YAO Lei;LIANG Jing-jing;SHANG Lian-qi(School of Mechanical Engineering,Liaoning Petrochemical University,Fushun 113001,Liaoning Province,China;Shi Changxu Innovation Center for Advanced Materials,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,Liaoning,China)

机构地区：[1]辽宁石油化工大学机械工程学院,辽宁抚顺113001 [2]中国科学院金属研究所师昌绪先进材料创新中心,辽宁沈阳110016

出　　处：《铸造》2024年第4期463-468,共6页Foundry

摘　　要：介绍了激光增材制造原理、技术特点及其适用的金属材料体系,归纳了常见冶金缺陷的形成机制、影响因素,并从工艺参数优化和后处理两方面阐述了增材制造冶金缺陷处理的相关研究进展,明确了工艺参数优化与后处理优化的方向。最后对激光增材制造未来的发展趋势和研究方向作出了展望。This paper introduces the principle,technical characteristics,and applicable metal material system of laser additive manufacturing.The forming mechanism and influencing factors of common metallurgical defects were summarized,and corresponding control strategies were proposed according to the forming mechanism.The related research progress of the metallurgical defects treatment in the additive manufacturing was described from process parameters optimization and posttreatment.The direction of process parameters optimization and postprocessing optimization was clarified.The future development trend and research direction of laser additive manufacturing were prospected.

关 键 词：激光增材制造 金属构件 冶金缺陷 工艺参数 后处理 

分 类 号：TF124[冶金工程—粉末冶金]