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1.IntroductionItiswellknownthatnetworkcarbideisgreatlydetrimentaltothestrengthandtoughnessofironandsteels.Furthermore,thenetworkcarbideisfoundtobesostableastoremainathightemperature[1].Someresearchesthatcarbidemorphologycanbeimprovedbymodificationwer... 相似文献
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S.H. Bai S.R. Qiao S.R. Zhou M.K. Kang Faculty Northwestern Polytechnical University Xian China 《金属学报(英文版)》1999,12(1):36-39
1.IntroductionWiththedevelopmentofaerospacetechnology,thehigh-temperaturestructuralceramicswouldbewidelyusedbecauseofitsspec... 相似文献
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N. Wang B.S. Zhou Z.D. Wang D.D. Wu College of Mechanical Engineering East China University of Science Technology Shanghai China 《金属学报(英文版)》1999,12(1):31-35
1.IntroductionAlotofequipmentworksunderelevatedtemperatureandhighpresureenvironmentinpetrochemicalindustry.Notonlyplasticand... 相似文献
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两种铸造镍基高温合金在长期时效期间的微观组织和力学性能演变 总被引:1,自引:0,他引:1
长期时效期间K452和K446合金中的γ′相形貌都保持球形,尺寸不断粗化,但K446中γ′相的粗化速率总体上比K452快.初生MC的热稳定性不仅与MC本身的化学成分密切相关,而且与合金成分有关;合金中γ基体的热稳定性(即晶内二次碳化物或TCP相的析出)与初生MC的热稳定性有关;晶界粗化通过γ′沉淀及镶嵌于其中的碳化物(M_(23)C_6或M_6C)的析出和长大来实现.γ′相粗化、初生MC分解、晶界粗化以及二次碳化物或TCP相的析出等,使合金的力学性能明显下降。 相似文献
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MODELINGOFSUPERPLASTICFORMINGPROCESSFORALUMINUMALLOYSWITHSTRAINHARDENINGEFFECTY.N.KwonandY.-W.Chang(CenterforAdvancedAerospac... 相似文献
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BEHAVIOUROFINITIATIONANDGROWTHOFSHORTFATIGUECRACKSWUZhixue;XUHao(InstituteofMechanicalEngineering,NortheasternUniversity,Shen... 相似文献
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PROPERTIES OF ELECTRODEPOSITED AMORPHOUS Ni-W-P-SiC COMPOSITE COATINGS 总被引:12,自引:0,他引:12
PROPERTIESOFELECTRODEPOSITEDAMORPHOUSNi-W-P-SiCCOMPOSITECOATINGSGUOZhongcheng;LIUHongkang;WANGZhiyin;WANGMin(DepartmentofMeta... 相似文献
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XRDSTUDYOFRECOVERYPROCESSOFCOLDDEFORMEDAgANDAg-CeALLOYNINGYuantao;WENFei(KunmingInstituteofPreciousMetalsKunming650221.China)... 相似文献