20045200410RESEARCHSTUDIESONFOUNDRYEQUIPMENTOct120045:2004-07-16:(1965-),,,:(20021063)ZA27,,(,030024):ZA27,:,;ZA27,ZA27:ZA27;;;;:TG14612+1:A:1004-6178(2004)05-0051-03ThepropertiesandimprovingmethodsofhighZA27-alloyYOUXiao-hong,DUANXing-wang,LITian-you(TaiyuanUniversityofScienceandTechnology,TaiYuan030024,China)Abstract:ThispaperconcisessomepropertiesofhighZA27-alloy,forexamplegoodusingcapability,finetechnologicalcapability,lowmachiningcost,nosparkleandcorrosion-resistingabilityetc,especiallyitsfinefrictionandattritioncapabilityanddampingcapability,andconcisesmethodsofrefininggrainandimprovingitsproperties,sotomasterpropertiesandmethodstoprocessofZA27-alloywell.Keywords:highZA27-alloy;servicingcapability;technologicalcapability;machiningcost;grainrefiningZA2720,,;;;;;ZA27,Al,;ZA27;ZA27,,;ZA27,2.5;,ZA27;ZA27,Al,2.5ZA27(112),,,,,,,,,,,,,ZA271ZA27111[1],ZA27,HTKTHTKT,50%,3-4,,ZA27,,ZA27,,,150,,,ZA27,,(),Cu,ZA27CuZA12ZA8T,ZA27,Cu,Cu©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Q-1),ZA27112,,,,,,ZA2712.4%,,,,,ZA27ZA27,,ZA27,,,ZA27,[2]ZA27,ZA27:440MPa,12%,HBS130,ZA27[3]ZA27,,,113ZA27,,ZA275-6.3(g/cm3),,2/3,,1/3,ZA27,,114ZA27,ZA8ZA12,ZA27115ZA27,,,,,,60,,ZA27,,116,,ZA27,ZA27(95)ZA27,5d,1%;5d;10d2520035©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[4],:,ZA27,;470-480,,;7.5-15(min),,,[5]212ZA27,ZA27,ZA27,,,,,:1000r/min,,ZA27465,,ZA27ZA27,25%,20%ZA27,,[6]213ZA27,,ZnAl;[7]ZA27(SIMA),:250,,ZA27,,,;,ZA27Zn-Al-Cu,Zn-Al[8]214ZA27DTA,IAS-4,:DTA;[9]ZA27,:,2.5%,,ZA27,,[10]215ZA27ZA27:ZA27,,,,,ZA27[11],ZA27;ZA27,,,,ZA27,ZA27,:,1.2;,0.58,1200Hz,,1200Hz,;25Hz,ZA27,[12],,ZA27,,,,,3520045,:ZA27©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[13]3,,ZA27,,,,,ZA27,,:[1],,.[M].:1997.[2],.ZA27[J].,1999,(5).[3],,,.ZA27[J].,1999,(3).[4],,,.ZA27[J].,2000,(1).[5],,,.ZA27[J].,2002,51(2).[6].ZA27[D]1,,2002,6.[7],,,.ZA27[J].,2001,11(1).[8],,,.ZA27SIMA[J].,2000,21(1).[9],,,.ZA27[J].,2001,9(2).[10],,.ZA27[J].,2001,11(5).[11].ZA27[J].,1997,(5).[12],.ZA27[J].,2002,14(1).[13],,,.ZA27[J].,1997,(4).(39),,,,,,44.1,,,,,,,,,,,4.2:,,,,,,,,,,,,:,,,,,,5,,,:[1].()[M]1:,19801[2].[M]1:,19951[3],1[M]1198914520035©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.