激光深熔焊接工作流体流动和传热研究综述  

Review of Researches on Laser Deep Fusion Welding Working Fluid Flow and Heat Transfer

作　　者：吴小翠 刘建 刘长军[1] 杨宗瑞 Wu Xiaocui;Liu Jian;Liu Changjun;Yang Zongrui(Chemical Equipment College,Shenyang University of Technology,Liaoyang,Liaoning 111003,China)

机构地区：[1]沈阳工业大学化工装备学院,辽宁辽阳111003

出　　处：《机电工程技术》2024年第9期60-64,共5页Mechanical & Electrical Engineering Technology

摘　　要：激光深熔焊接是一种借助高能量密度激光束作为热源,将金属材料加热至形成穿孔的焊接方法。在激光深熔焊接的过程中,工作流体的流动和传热起着至关重要的作用,对焊缝的形成和质量产生显著影响。概括了激光深熔焊接工作流体流动和传热的激光功率、焊接速度、保护气体等影响因素的研究现状以及目前存在的问题,并对未来的研究方向进行了展望。Using a high energy density laser beam as a heat source,the metal material is heated to form a perforation during laser deep fusion welding.Laser deep fusion welding relies heavily on the fluid flow and heat transfer of the working fluid,which significantly impacts the production and quality of the weld.A summary of the current research on the influences of laser power,welding speed,shielding gas and other factors on the working fluid flow and heat transfer of laser deep-melt welding,as well as the current problems and an outlook on the future research direction is given.

关 键 词：激光深熔焊接 流体流动 传热传质 激光技术 

分 类 号：TG442[金属学及工艺—焊接]