激光熔覆温度场模拟与表征的研究现状  

Research Status of Laser Cladding Temperature Field Simulation

作　　者：王旭 于月光 黄恩泽 杜开平 李正秋 Xu Wang;Yueguang Yu;Enze Huang;Kaiping Du;Zhengqiu Li(School of Materials Science and Engineering,Northeastern University,Shenyang 110819;BGRIMM Technology Group,Beijing 100160;Beijing Engineering Research Center on Surface Strengthen and Restoration of Industrial Parts,Beijing 102206)

机构地区：[1]东北大学材料科学与工程学院,沈阳110819 [2]北京矿冶科技集团有限公司,北京100160 [3]北京市工业部件表面强化与修复工程技术研究中心,北京102206

出　　处：《热喷涂技术》2019年第4期10-15,共6页Thermal Spray Technology

基　　金：国家重点研发计划(YFB0306100);国家自然科学基金(51271034)项目

摘　　要：激光熔覆熔池内存在传质、传热、对流及气-液-固界面间的反应,熔覆过程中温度场的变化对熔覆层组织和性能产生重要影响,正确解析这一复杂物理冶金过程,对激光技术发展有重要指导作用。本文回顾了近年国内外激光熔覆温度场的模拟研究进展,重点评述了激光加工温度场从数学分析到数值模拟的研究历程,并针对这一领域今后的发展提出了一些看法。There are many kinds of interaction in the laser cladding pool,such as mass transfer,heat transfer,convection and the reaction between gas liquid solid interface,which seriously affected the structure and performance of the cladding layer.Correct analysis of this complex physical metallurgical process has important guiding role for the development of laser technology.This article reviews the recent progress of laser cladding temperature field simulation research at home and abroad,which mainly focused on the develop from mathematical analysis to numerical simulation of the laser processing temperature field,and some suggestions on the future development of this field has been proposed.

关 键 词：激光加工 温度场 模拟与表征 

分 类 号：TG174.4[金属学及工艺—金属表面处理]