[黄河高扬程水泵材质及其铸造工艺的关键技术研究]冯风华

【黄河高扬程水泵材质及其铸造工艺的关键技术研究】冯风华.pdfTHEKEYTECHNOLOGICALRESEARCHOFMATERIAL ANDFOUNDRYTECHNOLOGYOFHIGH-LIFT PUMPUSEDINTHEYELLOWRIVER PH.D.Dissertation PH.D.Candidate:FengFenghua Major:Foundry Advisor:prof.Wang Wenqin Ass.advisor:Ass.Prof.HuangZhiguan DepartmentofmechanicalEngineering(2nd) Huazhong University of Science and Technology本研究成果用于生产实践,为黄河用高扬程水泵提供了新的铸造合金材料及其铸造工 艺技术.为黄河水利资源的进一步开发利用创造了条件。同时也节省了原来拟从国外引进 黄河用泵抗磨材料技术的外汇,为国家重点工程作出了应有的贡献。HCWCItoproducecomplicated-constructurecasting,theaffectsofdifferentinoculants andratioofCr and C(Cr/C)onpropertyofinternal stress of HCwCIwere studied.Their metallographyanddislqcation were observed,therelation amongthe stress of casting、thermal conductivityand microstructure ofHCwCIwereapproached.
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