Mo和Ru在镍基单晶高温合金中的作用中期报告摘要：本文对镍基单晶高温合金中Mo和Ru的作用进行了研究，并总结了目前相关领域的研究进展。Mo和Ru是镍基单晶高温合金中常用的合金元素，能够提高材料的热稳定性和抗氧化性能。研究表明，Mo和Ru对高温合金的力学性能和高温蠕变性能有重要影响。同时，Mo和Ru的添加也会影响材料的晶粒生长和相变行为。通过对Mo和Ru添加量的优化，可以进一步提高材料的力学性能和高温稳定性。关键词：镍基单晶高温合金，Mo，Ru，高温稳定性，力学性能，高温蠕变性能Abstract:ThispaperinvestigatestheeffectsofMoandRuonnickel-basedsinglecrystalhigh-temperaturealloysandsummarizesthecurrentresearchprogressinrelatedfields.MoandRuarecommonalloyingelementsinnickel-basedsinglecrystalhigh-temperaturealloys,whichcanimprovetheirthermalstabilityandoxidationresistance.ThestudyshowsthatMoandRuhaveimportanteffectsonthemechanicalpropertiesandhigh-temperaturecreeppropertiesofhigh-temperaturealloys.Inaddition,theadditionofMoandRualsoaffectsthegraingrowthandphasetransformationbehaviorofthematerial.ByoptimizingtheamountofMoandRuadded,themechanicalpropertiesandhigh-temperaturestabilityofthematerialcanbefurtherimproved.Keywords:nickel-basedsinglecrystalhigh-temperaturealloy;Mo;Ru;high-temperaturestability;mechanicalproperties;high-temperaturecreepproperties