J. Mater. Sci. Technol. ›› 1997, Vol. 13 ›› Issue (2): 107-112.
Baicheng LIU;Wei QIU; Houfa SHEN; Zhiqiang GAO (Dept. of Mechanical Engineering, Tsinghua University Beijing 100084, China)
Baicheng LIU;Wei QIU; Houfa SHEN; Zhiqiang GAO (Dept. of Mechanical Engineering, Tsinghua University Beijing 100084, China)
摘要: 1.IntroductionManycastingdefects,suchasrnisrun,airentraWment,coldshut,inclusionetc.,canberelatedtothefluldflowduringmoldfillingprocessI1~3].Byknowingtheflowpatternandtemperaturevariation,foundry-menc0uldevaluateandmodfythegating/ruImingdesign-Inaddition,thesubsequentsolidilicationsforulationaswellastheshrinkagedefectprwhctionwillbemoreaccurateiftheinitialtemPeraturedistribu-tionisPr0videdbyta....