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346200812Vol134No16SteelWireProductsDecember2008--(200090),-5%-,,,,Zn-Al;,;Zn-Al,;-5%-;TG356.27AnalysisofStructureandPropertyofZn2Al2ReAlloyCoatingSteelWireZhangHaidongYuGuofengSunJinmao(BaosteelShanghaiErgangCo.,Ltd200090)AbstractTointroducethedevelopmentsurveyofZn2Alalloycoatingproductionapplication.Zn25%Al2REalloycoatingindifferenttechnologyisstudied.Themicrostructureandshapeareanalyzed.Theresultsshowthatiftwo2stephot2dippingwantstoobtainthickcoating,ZincdippingtimeshouldbeprolongedorZincdippingtemperatureshouldbeincreasedatthefirstdipping.DrawingspeedshouldbeheightenedorZincdippingtemperatureshouldbedecreasedinZn2Alalloycoatingbath.ItispointedoutthatthecontentofFeandAlincoatingisreducedstepbystepfromsteelsubstratetosurface,theresultofsaltspraytestalmostapproachesinternationalstandard,theimpactofsteelwiredrawingafterdippingonZn2Alal2loycoatingislittle,butthethicknessofpurecoatingdecreasesobviously.Keywordstwo2stephot2dipping;Zn25%Al2REalloycoating;corrosionresistance1,,,[1]250,(ILZRO),Zn-5%Al,Galfan1984[2],,,,,:[1,3],-5%-,,-22.12.1.1:SWRH82B(),2.96mm-ASTMB803-02Zn-5%Al-RE,7.2%,5.28%7.18%2.1.2:©1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.ª3.05mm,ª3.0mm,,-2.1.4;HitachiS-520(SEM)XL30FEG(FESEM);XL30FEG(EDAX);HXD-1000;FQY010A2.22.2.1--,,,--,,1,--1/mm/m-/m/(mmin-1)/s/m(A+B)110.054.015+302SWRH82B3.059330.018.025+15346.711.650+521#,2,,,A,15m,B,30m,,;,Fe-ZnFe-Zn-Al,21#40032#,,,AB,25m,15m32#40043#,46.7m/min,,5m(4B),A,50m,,3:Fe-Zn,Fe-Zn,,,Zn-Al,,Fe-Zn31©1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(5),Zn-Al,Fe-Zn,Fe-Zn-AlFe-Zn,Zn-Al(5.02%),6,ASTMB750Galfan4.2%7.25%,Zn-Al,Zn-Al,,,,(),7Zn-Al2Zn,2Al,7Zn-Al2000,[2],,,,,,,,,,,,,,Fe-Zn,Zn-Al(),,8,A50m,B20m,,2#,2#,,,,84002.2.2-41©1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[5]-,2,1,4#,5#,6#321g/m2,318g/m2315g/m2,3.043.05mmª3.0mm,4-1,5-1,6-1,234g/m2,224g/m2209g/m22/mm/m/(mmin-1)/s43.054.529.59.25SWRH82B3.054.514.518.663.054.59.827.594#,,,,,;,,,,105#6#,,,-,2.2.3-34#34#%AlZnFeFe-Zn-Al19.6964.3815.93Fe-Zn-AlZn-Al16.1575.398.45Zn-Al6.6391.621.75Zn-Al5.3494.000.663,Zn-Al,Fe,Al,[4]2.2.4-([4]),2,ASTMB750-94A,FQY010A3,800h,4:[2],,ILZRO51©1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(gm-2)/g/g/g/(gm-2)43.05500332130.6240.74530.4750.73330.3050.7120.73015214263.05500331530.6450.78130.5150.73230.2950.7910.7681604-13.00500323427.8010.89627.6880.90127.7900.8980.8981916-13.00500320927.7150.92127.6900.91827.5880.9100.9161955%,,,800h4#6#4-1800h5%,,6-1652h,,,3(1),-5%-,,;(2)-,,-,(3)-,,,,,(4),,[1],.-[M].:,1994:3-5.[2]JohnlHostetlerP.E.AMaturingGalfenMarket[R].SheratonNoosaResort:AustralianSteelIndstryConfer2ence,1995.[3].[M].:,2001:220-223.[4],.Zn-5%Al-RE(Galfan)[J].,2001,27(2):4-7.[5]PTICommitteeonCableStayedBridges.Recommenda2tionsforStayCabledesigntestingandinstallation[R].Phoenix:PTICommitteeonCableStayedBridges,2000.(:2008-10-23)1974,,1964,,1940,,20092009,,,,,,815%,61©1994-2013ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.