摘要随着科学技术的不断发展，焊接新技术新工艺也不断成熟与创新使其应用越来越广泛。在机械制造、航空航天、石油化工、能源、交通、建筑、冶金等领域使用的金属结构都属于焊接结构，在加工过程中都离不开焊接。工业的发展，具有特殊性能的新型结构材料不断涌现，对焊接技术的要求也越来越高，因此焊接新技术新工艺的发展情况也越来越受到关注。文中先从焊接技术和材料开始介绍，以此为前提再通过对典型金属材料的焊接新技术新工艺讲解入手，着重介绍焊接技术及工艺在原有水平及基础上的最新发展状况，指出了这些焊接新技术新工艺的内容及应用状况，并对焊接技术和工艺做出了适当的展望。关键词：新技术，新工艺，金属材料，焊接方法AbstractWiththedevelopmentofscienceandtechnology,weldingnewtechnologynewtechnologyhasbeenmaturedandinnovationmaketheapplicationmoreandmorewidespread.Inmachinerymanufacturing,aerospace,petrochemicalindustry,energy,traffic,building,metallurgyandotherfieldsusedmetalstructurebelongstotheweldingstructure,intheprocesswithoutwelding.Thedevelopmentofindustry,hasthespecialpropertyofnewstructuralmaterialscontinuetoemerge,theweldingtechnologyrequirementsarealsogettinghigherandhigher,sotheweldingnewtechnologynewtechnologydevelopmentispaidmoreandmoreattention.Thearticlefirstfromtheweldingtechnologyandmaterialsisintroduced,takingthisasthepremiseandthetypicalmetalmaterialweldingnewtechnologynewtechnologyonproceedwith,introducedemphaticallytheweldingtechnologyandprocessintheoriginallevelandonthebasisofthelatestdevelopment,pointedouttheseweldingnewtechnologynewtechnologycontentandtheapplicationcondition,andtoweldingtechnologyandprocesstomakeappropriateprospect.Keyword:Newtechnology,Newprocess,Material,Weldingmethod目录前言.................................................................11金属焊接材料及技术简介...............................................21.1焊接材料作用及种类................................................21.1.1焊接材料的作用...............................................21.1.2新型焊接材料简介............................................41.2金属焊接技术简介及现状............................................51.2.1焊接技术简介.................................................51.2.2金属焊接技术现状............................................82金属焊接新技术和新工艺...............................................92.1珠光体耐热钢的焊接新工艺..........................................92.1.1焊前分析.....................................................92.1.2焊接新工艺...................................................92.2奥氏体不锈钢的焊接...............................................102.2.1奥氏体不锈钢的焊接缺陷及措施................................112.2.2奥氏体不锈钢焊接新工艺......................................122.3铝及铝合金的焊接.................................................132.3.1铝及铝合金焊接缺陷..........................................132.3.2铝及铝合金的焊接工艺........................................142.3.3铝及铝合金的焊接新技术......................................152.4铝与铜的焊接.....................................................172.4.1铜与铝焊接的特点............................................172.4.2铜与铝的焊接工艺............................................172.5新型金属材料的焊接...............................................182.5.1硬质合金的焊接..............................................182.5.2金属陶瓷与金属的焊接.........................................213焊接新技术新工艺的...
