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:1001-227X(2001)06-0032-04,,,(,410082)::;:TG17513;TQ15315:ASurfacepolishingforaluminumanditsalloyJIAOShu-qiang,ZHOUHai-hui,CHENJin-hua,KUANGYa-fei(Inst.ofChemistryandChemicalEngineering,HunanUniv.,Changsha410082,China)Abstract:Researchdevelopmentofmechanicalpolishing,chemicalpolishingandelectrochemicalpolishingforaluminumanditsalloywasintroduced.Herein,non-toxicchemicalpolishing,chemicalpolishingforalu2minumalloycastings,non-chromicelectrochemicalpolishingtechniqueweredescribedinmoredetail.Keywords:aluminumanditsalloy;polishing,,,,,,,,,,,::2001-07-02:,(1977-),,,,,1[1][2],[3]1996[4],,,,[5]23Dec.2001Electroplating&FinishingVol.20No.621949[6],,,,211-,--Hamlin[7,8]:-:14Al+HNO37Al2O3+4N2+2NO2+5H20Al2O3+6H3PO42Al(H2PO4)3+3H2O,Kaufman:7080%1015%1015%901201020s,,,,[9],,,,,[10],,,;,,212,,70,[1115],,,,,,,,,(d=1184)300mL/L(d=1171)700mL/L20mL/L90120,WXPGA-97Al,Al-MgAl-Mg,213,--,,:2Al+6NaOH2Na3AlO3+3H2(1)33200112206Al2O3+2NaOH2NaAlO2+H2O(2)2NaNO32NaNO2+O2(3)2Al+NaNO2+NaOH+H2O2NaAlO2+NH3(4)[16]:NaOH400500g/LNaNO3300350g/LKF2H2O3050g/LNa3PO42030g/L1101202050sNaOH,NaNO3,KF2H2ONa3PO4,,,214,,,[17]Si415%515%;Cu110%115%;Mg014%016%ZL1054,,771515156015,100,14min,,,,[18]-:6065mL/L1520mL/L1mL/L12min,,[19]HNO3H3PO4TOPADD,HNO3HF,,3,(),,,,,,,(),,[20]--,:H3PO4(85%)55%(wt)H2SO4(98%)14%(wt)CrO39%(wt)H2O20%(wt)801720A/dm238min[21]--,43Dec.2001Electroplating&FinishingVol.20No.6,,,,[22],,,,,,pH12,,,,pH,,[23]H3PO4HFH2SO4HNO3,,,,4,,,,:[1],.[M].1985.[2],.[J].,2000,29(2):6.[3].[J].,1987,7(2)37-38.[4].[J].,1998,18(1):25-26.[5]Shvartz.CorrosionofChemicalApparatus[M].1959.[6]Anonymous.[J].MetalFinishing,1949(11):47-50.[7]HamlinME[J].PlatandSurfFin,1983,70(11):18.[8]TajimaS.NewNontoxicChemicalPolishingBathforAluminum[J].MetalFinishing,1985,(6):64-67.[9]KuoHS.EffectofAppliedPotentialOntheChemi2calMechanicalPolishingofAluminuminPhosphoricAcidBaseSlurry[J].JElectrochemSoc,2000,147:2136.[10].[J].,1990,10(1):10-13.[11],,.[J].,1988,18(2):15-18.[12].[J].,1999,32(4):9-10.[13],.[J].,1996,25(2):11-14.[14],,,.[J].,1990,10(4):12-15.[15].[J].,1998,8(1):19-23.[16].[J].,1994,13(3):34-37.[17],.ZL105[J].,1998,20(4):18-19.[18].-[J].,1994,27(11):35-36.[19].[J].,1998,27(3):20.[20].[J].,2001,30(1):19-20.[21],.[J].,1997,30(1):22-23.[22],.[J].,1982,2(2):4-5.[23].[J].,1998,31(2):33-34.53200112206