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:2005203210:(50499335):,,1981,,,1111,2(11310027;21110016):,,..::TG172:A:100524537(2005)06203732071,Zn.Zn,,,[1].,Zn.,.,,[2],.[3],.2Zn(dissolutionprecipitationmech2anism)[4],:Zn[Zn++e(1)Zn+Zn2++e(2)Zn+.,:O2+2H2O+4e4OH-(3)Zn,;[5].Zn2+OH-Zn(OH)2,ZnO.,Zn,.,Zn;Zn,[6].Mattsson,Zn:012m/a3m/a2m/a16m/a2m/a16m/a015m/a8m/a[7].AilorGerman,ZnMattsson[8,9].,SO2,Cl-.,Mattsson,SO2ZnCl-.Ra2manauskas[10](Zn-016mass%CoZn-014mass%FeZn-12mass%Ni).,HaynieUpham[11]Zn(R),(RH)([SO2]):R=319210-4(RH-4818)[SO2](4)SO2CO2Cl-3Zn.211SO2ZnSO2Zn,:SO2Zn256200512JournalofChineseSocietyforCorrosionandProtectionVol125No16Dec1200©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(g)SO2(ads)+H2O\HSO-3(ads)+H+(5)HSO-3O3H2O2FeMnSO2-4[12,13],HSO-3(ads)+H2O2HSO-4+H2O(6)HSO-3(ads)+O3HSO-4+O2(7)HSO-3(ads)+[O]HSO-4(Fe,Mn)(8)HSO-SO2-4(9)pH,SO2-4Zn2+ZnOZn(OH)2Znx(OH)y(SO4)zH2OZnSO4,Zn2++SO2-4ZnSO4(10)Zn2++SO2-4+xH2OZnSO4xH2O(x=4,67)(11)yZn(OH)2+ZnSO4+4H2OZny+1(SO4)(OH)2y4H2O(x=36)(12)SO2H+,Zn.,ZnSO4.ZnSO4,,.,SO2ZnSO2Zn,Zn.,Znx(OH)y(SO4)zH2O.,Znx(OH)y(CO3)zH2O,Znx(OH)y(SO4)zH2O,Znx(OH)y(CO3)zH2O.Biestek[14],Znx(OH)y(CO3)zH2OZn,Znx(OH)y(SO4)zH2O.212CO2ZnZnZn(OH)2Zn,ZnCO3Zn5(CO3)2(OH)6[15].,CO2,ZnOZn(OH)2CO2Zn:ZnO+CO2ZnCO3(13)Zn(OH)2+CO2ZnCO3+H2O(14)3Zn(OH)2+2ZnCO3Zn5(CO3)2(OH)6(15)[15],ZnZn(OH)2,,Zn(OH)2CO2Zn5(CO3)2(OH)6.,ZnCO2[16],indstrÊm[17]:22,Zn70g/cm2NaClCO2,35010-6CO234;,CO2CO2,CO2Zn.213Cl-,ZnCl-,ZnZn5(OH)8Cl2H2O.Bernard[18],NaClZn,Zn;,Cl-OH-,Na+Zn2+,Cl-pH.,Cl-:5Zn2++H2O+8OH-+2Cl-Zn5(OH)8Cl2H2O(16),,Zn(OH)2:Zn(OH)2(s)+4Zn2++6OH-+2Cl-Zn5(OH)8Cl2(17),,.Friel[12]Cl-Zn.3Zn311,.,,[19]..Zn,ASTM(AmericanSocietyforTestingandMateri247325©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.).[20],Zn,,8m/a,.,10,5..1987819898,[21]192Zn(mass%:Fe01012,Cu01005,Pb01040,Sn01005,Zn).,,SO2NOxCl-,Zn.,[21]Zn,Zn:Y=1186+119610-4(X1)+111110-3(X2)-216010-2(X3)-712610-4(X4)(18)R=0194,SY=01095,95%.R1=0169,R2=0158,R3=01287,R4=0141.YZn(m/a),X1RH80%(h),X2(mm/a),X3(h),R,SY(m/a).312,,,,...Johansson[16,17,22]O3NO2CO2Zn.,O3NO2SO2,SO2Zn;CO2Zn,Zn,SO2Zn.,,,.(QCM).QCM,(ng);(AuPt).,fm/A[23],f=-2m(f0)2/(nA)(19)f0,n(,1),(219471011g/cms2),(21648g/cm3).[24]NaClSO2Zn.NaClZn,48h.,NaClSO2Zn,;,NaClSO2Zn[2].313..31311(AFM)(SEM)(AFM).SEM[1,16,17],AFM,,.LSziraki[25]ZnAFMSEM.,Zn,.Zn-,Zn.,Zn:Zn.Kleber[26]CuZn(Cu/Zn90/10mass%Cu/Zn70/30mass%)NanoscopeIII-MultimodeSPM5736:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[27],ZnOZn(OH)24Zn(OH)2ZnCl2.4Zn(OH)2ZnCl2,ZnO;Cl-pH.31313X(EXAFS),EXAFS[28,29],,,,.Chung[30]EXAFSZn(99195%).,Zn,100%95%48h,ZnOZn(OH)2,CO2Zn.4Zn[31].,,.70,Rozenfeld[32](ACM),.,Strat2mann[33]Cox[34]CFiaud[35],,(Cl-),.,,.411IcorrEcorr,,,.Aba2yarathna[36]Zn({0001},{1010}{1120})1mol/L(NH4)2SO4015mol/LNaOH,{1120}.Fratesi[37].,,;pH=3,Cr,.,[38],Zn.(Cl-),.412(EIS),,.(),,,[39].EIS,,.,Nishikata[40,41],(TML),Bode-45,,EIS.MahdyNishikata[3,42,43](Rp),EIS,,67325©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[44]Zn(99195%),,01003mol/LLiClEIS.,.413(EN),()[45].,[46].().,,[4749];,[50];,;,,.,[51,52].,.,.(SCE)Pt,(Ag-AgCl)[53]..ENLY12[54].,EN.414KelvinKelvinKelvin.Stratmann[55]1987,.Stratmann,EcorrPrEl:Ecorr=const+PrEl(20),,.Kelvin,FeCu[56],Kelvin,[57].,Kelvin.,KelvinO2,[58].5,Zn,,,,,.Zn,Zn.:[1]AssafFH,AbdSS,El-Rehiem,etal.P,1999,58:58-63[2]QuQ,YanCW,ZhangL,etal.SynergismofNaClandSO2inini2tialatmosphericcorrosionofzinc[J].Chin.J.Nonferr.Metal.,2002,12(6):1272-1275(,,.ZnNaClSO2[J].,2002,12(6):1272-1275)[3]El-MahdyGA.Advancedlaboratorystudyontheatmosphericcorrosionofzincunderthinelectrolytelayers[J].Corrosion,2003,59(6):505-510[4]BaughLM.Corrosionandpolarizationcharacteristicsofzincinneutral-acidmedia-I.purezincinsolutionsofvarioussodiumsalts[J].Electrochim.Acta,1979,24:657-6677736:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[5]LindstrÊmR,SvenssonJE,JohanssonLG.Theatmosphericcorro2sionofzincinthepresenceofNaCl-theinfluenceofcarbondioxideandtemperature[J].J.Electrochem.Soc.,2000,147(5):1751-1757[6]CramerSD,CarterJP,LinstromPJ,FlinnDR.Environmentaleffectsonmetalliccorrosionproductsformedinshort-termatmo2sphericexposures[J].ACSSymposiumSeries,1986:119-151[7]MattssonE.Corrosion:anelectrochemicalproblem[J].Chem.Tech.,1985,15:234-243[8]AilorWH.AtmosphericCorrosion[M].NewYork:JohnWiley&SonsInc.,1982,529-552[9]GermanG.AtomsphericFactorsAffectingtheCorrosionofEngi2neeringMetals[M].ASTM,USA:Philadelphia,1978:74-82[10]RamanauskasR,MuleshkovaL,MaldonadoL,DobrovolskisP.CharacterizationofthecorrosionbehaviourofZnandZnalloyelectrodeposits:atmosphericandacceleratedtests[J].Corros.Sci.,1998,40:401-410[11]HaynieFH,UphamJB.Effectsofatmosphericsulfurdioxideonthecorrosionofzinc[J].Mater.Perf.,1986,9(8):35-40[12]FrielJJ.AtmosphericcorrosionproductsonAl,ZnandAlZnmetalliccoatings[J].Corrosion,1986,42(7):422-426[13]MunierGB,PsotaLA,ReagorBT,et