扫描速度对SLM成形致密度的影响综述  

Effect of scanning speed on SLM forming density

作　　者：韩俊峰[1] 胡雅清 张渝[2] HAN Junfeng;HU Yaqing;ZHANG Yu(Sichuan Advanced Manufacturing Technology Engineering Laboratory of Stamping Engine,Sichuan Engineering Technical College,Deyang 618000,Sichuan China;School of Materials Science and Engineering,Chongqing University,Chongqing 400044,China)

机构地区：[1]四川工程职业技术学院四川省冲压发动机先进制造技术工程实验室,四川德阳618000 [2]重庆大学材料科学与工程学院,重庆400044

出　　处：《锻压装备与制造技术》2022年第5期94-97,共4页China Metalforming Equipment & Manufacturing Technology

基　　金：四川省科技计划重点研发项目(2020YFG0204);四川工程职业技术学院科技项目(KJGH2020-01)。

摘　　要：扫描速度对激光选区熔化技术中得到的成形构件机械性能影响显著。为获得致密度高、尺寸精度好、机械性能优良的成形构件,选择合适的扫描速度尤为重要。本文回顾了近年来的文献,结合其在实际中的应用,对扫描速度对最终成形构件致密度的影响进行了总结和介绍。The scanning speed has a significant effect on the mechanical properties of the formed components obtained by laser selective melting technology.In order to obtain the formed components with high density,good dimensional accuracy and excellent mechanical properties,it is particularly important to select the appropriate scanning speed.The recent literature has been reviewed and combined with its practical application in the text.The influence of scanning speed on the shape density of final formed components has been summarized and introduced.

关 键 词：激光选区熔化 扫描速度 熔池形貌 致密度 

分 类 号：TG665[金属学及工艺—金属切削加工及机床]