几种常见焊接工艺热源模型的研究进展  

Research progress of heat source models for several common welding processes

作　　者：洪小龙 黄本生[1,2] 李天宁 黄思语 HONG Xiao-long;HUANG Ben-sheng;LI Tian-ning;HUANG Si-yu(School of New Energy and Materials,Southwest Petroleum University,Chengdu 610500,China;Energy Equipment Research Institute,Southwest Petroleum University,Chengdu 610500,China;Key Laboratory of Nuclear Reactor System Design Technology,China Nuclear Power Research)

机构地区：[1]西南石油大学新能源与材料学院,四川成都610500 [2]西南石油大学能源装备研究院,四川成都610500 [3]中国核动力研究设计院核反应堆系统设计技术重点实验室,四川成都610041

出　　处：《材料热处理学报》2023年第5期25-38,共14页Transactions of Materials and Heat Treatment

基　　金：四川省科技厅国际合作项目(2020YFH0151)。

摘　　要：焊接数值模拟通过对复杂或不可观察的现象进行定量分析和对极端情况下尚不知的规律进行预测,实现对复杂焊接现象的模拟,揭示焊接现象本质和规律,可以优化结构和工艺设计,从而减少实验工作量,提高焊接接头质量。然而,由于焊接技术在工程中所面临的焊接情形愈加复杂,而热源模型作为焊接数值模拟的“灵魂”,合理选用及开发新型焊接热源模型就显得尤为重要。因此,研究焊接仿真热源模型的发展、二次开发和热源参数的确定对日后的工程应用具有指导意义。本文针对近几年热源模型在气体保护金属极电弧焊、等离子弧焊和激光-电弧复合焊数值模拟中的发展进行了系统综述,介绍了基于二次开发的热源模型的研究进展,总结了热源参数的确定方法,最后指出了焊接热源模型未来的研究重点。The numerical simulation of welding can realize the simulation of complex welding phenomena,reveal the essence and laws of welding phenomena,optimize the structure and process design,reduce the actual workload and improve the quality of welded joints by quantitative analysis of complex or unobservable phenomena and prediction of the laws that are not known under extreme conditions.However,due to the increasingly complex welding situation faced by welding technology in engineering,and the heat source model as the"soul"of welding numerical simulation,the reasonable selection and development of new welding heat source model is particularly important.Therefore,research on the development of welding simulation heat source model,secondary development and determination of heat source parameters have guiding significance for future engineering applications.In this paper,the development of heat source model in numerical simulation of gas shielded metal arc welding,plasma arc welding and laser-arc hybrid welding in recent years is systematically reviewed,the research progress of heat source model based on secondary development is introduced,the determination method of heat source parameters is summarized,and the future research focus of welding heat source model is pointed out.

关 键 词：热源模型 数值模拟 二次开发 热源参数 焊接工艺 

分 类 号：TG441[金属学及工艺—焊接]