ElectricWeldingMachineVol.53No.4Apr.2023第53卷第4期2023年4月钼及钼合金与石墨焊接研究进展郭鹏，马佳，鲍丽，胡粟昕，王路乙郑州机械研究所有限公司新型钎焊材料与技术国家重点实验室，河南郑州450001摘要：钼及钼合金具有优异的高温性能、优良的散热能力和较低的热膨胀系数，石墨具有与钼合金接近的热膨胀系数，并且具有极高的高温比热和散热能力，但其强度较低。二者结合可满足高温强度和散热需求，其高可靠连接是实现应用的基础，为此，从钼、石墨的物理和化学性质出发，分析了其焊接特性，回顾并总结了钼及钼合金与石墨的焊接方法、连接界面组织演变和接头性能变化规律的相关研究成果，并对钼及钼合金与石墨连接技术进行了展望。关键词：钼及钼合金；石墨；钎焊；扩散焊中图分类号：TG457文献标识码：A文章编号：1001-2303（2023）04-0073-08ResearchProgressinWeldingofTZMAlloyandGraphiteGUOPeng,MAJia,BAOLi,HUSuxin,WANGLuyiStateKeyLaboratoryofAdvancedBrazingFillerMetals&Technology,ZhengzhouResearchInstituteofMechanicalEngineeringCo.,Ltd.,Zhengzhou450001,ChinaAbstract:Molybdenumanditsalloyshaveexcellenthightemperatureperformance,heatdissipationcapacityandlowther‐malexpansioncoefficient.Graphitehasathermalexpansioncoefficientclosetothatofmolybdenumalloy.Inaddition,graphitehasveryhighspecificheatcapacityandheatdissipationcapacity,butwithverylowstrength.Generally,thecombi‐nationofmolybdenumalloyandgraphitecanmeettherequirementsofhightemperaturestrengthandhighheatdissipationcapacity.Thereliableconnectionofmolybdenumalloywithgraphiteisthebasisofapplication.Basedonthephysicalandchemicalpropertiesofmolybdenumandgraphite,theweldingcharacteristicsareanalyzed.Besides,theweldingmethods,microstructuresevolutionofweldinginterface,andmechanicalpropertiesofTZMandgraphitearereviewed.Andthejointtechnologyofmolybdenumalloyandgraphiteisprospected.Keywords:molybdenumalloy;graphite;brazing;diffusionwelding引用格式：郭鹏，马佳，鲍丽，等.钼及钼合金与石墨焊接研究进展［J］.电焊机，2023，53（4）：73-80.Citation:GUOPeng,MAJia,BAOLi,etal.ResearchProgressinWeldingofTZMAlloyandGraphite[J].ElectricWeldingMachine,2023,53(4):73-80.0前言钼及钼合金具...
