离心铸造高铁铝合金的组织及性能

:TG146.21*(),,:*:,1951,:1997-05-210,,Al3Fe(Al9Fe2Si)Al8FeMg3Si6AlFeMnSi,,[1],,ZL108WFe0.7%,[2],,,,,[3],,,,,,,+(+Si),1,ZL108,:WFe=1.20%,WSi=12.63%,WCu=1.17%,WMg=0.62%,WMn=0.50%,Al,1,,,1002001200r/min,720740,184199712JournalofLuoyangInstituteofTechnologyVol.18No.4Dec.199711.2.3.4.5.6.7.,2;71;HBE-750;X,0.5mm,MM-200,3,(45#,),2322.14,5,2mm,2.21;2,250,HBS,,1+SiHM1431642932HBS10020030040097.788.681.774.969.088.283.877.571.857.42.3,,3,,21997,(a)(b)42503FewFe/%1.202.140.490.41,X,4,,2.4(2838min)0.15,5,54AlSiMnFeatom/%58.9012.8515.728.67,,5/min258131828385878108168/mm1.671.851.901.992.042.172.252.312.362.412.451.922.072.122.222.292.372.442.542.652.722.893,,,34:,,,(2/3,3),,,,,,,250,5%20%,,,,,,,4(1)AlFeMnSi,,()(2),,1.,3,.,19942GB3508-83.19833.FeMnRE:[].,1986TheOrganismandPropertyofCentrifugalCastingAluminiumAlloyContainingMuchFerriteYangDixingLiuYamin(DepartmentofMaterialEngineering)Abstract:TheAl-SialloycontainingmoreFethantheprovidedstandardisusedincentrifu-galcastingTherichFephases,whichseparateoutduringthesolidifyingprocessofalloy,canbeconcentriclydepositedinthesurfacethinlayerofcastingbycentrifugalforce,sothecontentoftheironisreducedtointhestandardrange.Thewearandhardentestsshowthatthepropertiesofheat-resistingandwear-resistingofsurfaceinwhichtherichFephasesde-positismoresuperiorthaninsideofcasting.Keywords:AluminiumalloysCentrifugalcastingHardenessFrictionWears41997