不锈钢熔模铸造缺陷分析及质量控制

12121(1.;2.),,,;;TG249.5;TG26A2008(s)-0465-04DefectAnalysisandQualityControlonStainlessSteelInvestmentCastingTangBin1,GaoJingxiu2,LiShuangshou1,LiYuefei2,ZengDaben1(1.TsinghuaUniversity,Bejing,China;2.AnyePrecisionCastingCo.Ltd.,Qinhuangdao,China)Abstract:Thecausesofcastingdefectswhichhappenedinstainlesssteelinvestmentcastingpracticehavebeenanalyzedinthispaper,suchaspockmark,blackpoint,indentation,shrinkagedepression,andsoon.Onbaseofthese,thekeysectionsofqualitycontroloninvestmentcastinghavebeenputfor2ward.Keywords:InvestmentCasting,CastingDefects,QualityControl232,,,,,,(),63,@:,,,,11.1,(1),,013018mm,013015mm,,,,(2),MgCa,,,,ZrSiO42000,,,,CaMg,1300,KNa,12900[1]ZrO2SiO2,SiO2,CrNiTiMnAl,562008:2008020:197410084:010-277802E-mail:btangtsinghua.edu.cn4,1.2,,,34OSiMn34(),,;,,Fe2SiO3MnSiO3FeOAl2O3SiO2SiO2,SiO2MnOFeOAl2O3,,,,,1.3(5),6ZM56CaMg,,,1.4(),7,8,7,,1.5,()OM662008)rCag910CCag48910(),,,,1.6()(11)12CrC,CaMg,;,11121.7(13),14CCaMg13():;,;[2]1.8,(15),,6Cr1.97414(16),1516,,,2,,,3,,2.1(1),,ZrSiO4,KNaCaMg,,,HB534921986,();,,,,2.2(1),,(2);,,(3),,,,,2.3(1)(2),,,,MnOSiO2,SiO2,,,(3),,,,,3(1),(2),3:,,[1].[M].:,2004.[2].[M].:,1983.()62008)2:84