变形速率对ZGH3030镍基高温合金力学性能的影响逯红果1，2，周丽1，马中钢2，崔彬2，李化坤2，徐琳2，李娜2，王光华2，李道乾2，殷凤仕3(1.山东理工大学化学化工学院，山东淄博255049；2.山东瑞泰新材料科技有限公司，山东淄博256100；3.山东理工大学机械工程学院，山东淄博255049)摘要：针对ZGH3030合金重熔浇铸力学试棒在800℃拉伸试验过程中拉伸强度低于标准值的现象，本实验采用型号为WDW-100试验机，对不同力学试棒通过设定不同的横梁位移速率和相同试棒拉伸过程中改变横梁位移速率，研究了横梁移动速率对ZGH3030合金强度的影响。结果表明，ZGH3030合金在800℃拉伸试验过程中，改变横梁位移测试条件，能够改变合金的抗拉强度值。因此，该方面的研究，有助于在以后类似铸造高温合金拉伸过程中，通过合理设定横梁位移速率，获得合适的抗拉强度值。关键词：ZGH3030镍基高温合金；变形速率；高温拉伸；抗拉强度中图分类号：TG132.3+2文献标识码：A文章编号：1000-8365(2023)03-0257-06EffectofStrainRateontheHigh-TemperatureMechanicalPropertiesofaZGH3030Nickel-BasedSuperalloyLUHongguo1,2,ZHOULi1,MAZhonggang2,CUIBin2,LIHuakun2,XULin2,LINa2,WANGGuanghua2,LIDaoqian2,YINFengshi3(1.SchoolofChemistryandChemicalEngineering,ShandongUniversityofTechnology,Zibo255049,China;2.ShandongRoitieNewMaterialScienceandTechnologyCo.,Ltd.,Zibo256100,China;3.SchoolofMechanicalEngineering,ShandongUniversityofTechnology,Zibo255049,China)Abstract：AimingatthephenomenonthatthetensilestrengthoftheremeltedcastingZGH3030alloyislowerthanthestandardvalueduringthetensiletestat800℃,theWDW-100testingmachinewasusedinthistesttostudytheinfluenceofthebeamdisplacementrateonthestrengthbysettingdifferentbeamdisplacementratesfordifferentmechanicaltestbarsandchangingthebeamdisplacementrateofthesametestbarduringthetest.TheresultsshowthatthetensilestrengthoftheZGH3030alloycanbechangedbychangingthebeamdisplacementtestconditionsduringthetensiletestat800℃.Therefore,theappropriatetensilestrengthcanbeobtainedbyreasonablysettingthedisplacementrateofthebeam,whichishelpfulforthetensiletestofsimilarcastsuperalloysinthefuture.Keywords：ZGH3030nickel-basedsuperalloy;strainrate;high-temperatu...
