SAE AMS-C-26074B 化学镀镍(英文)

SAETechnicalStandardsBoardRulesprovidethat:“ThisreportispublishedbySAEtoadvancethestateoftechnicalandengineeringsciences.Theuseofthisreportisentirelyvoluntary,anditsapplicabilityandsuitabilityforanyparticularuse,includinganypatentinfringementarisingtherefrom,isthesoleresponsibilityoftheuser.”SAEreviewseachtechnicalreportatleasteveryfiveyearsatwhichtimeitmaybereaffirmed,revised,orcancelled.SAEinvitesyourwrittencommentsandsuggestions.Copyright©2005SAEInternationalAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutthepriorwrittenpermissionofSAE.TOPLACEADOCUMENTORDER:Tel:[phone](insideUSAandCanada)Tel:[phone](outsideUSA)Fax:[phone]Email:[e-mail]:“NONCURRENT”bytheAerospaceMaterialsDivision,SAE,asofOctober,2005.Itisrecommended,therefore,thatthisspecificationsnotbespecifiedfornewdesigns.“NONCURRENT”referstothosespecificationswhichhavepreviouslybeenwidelyusedandwhichmayberequiredforproductionorprocessingofexistingdesignsinthefuture.TheAerospaceMaterialsDivision,however,doesnotrecommendthesespecificationsforfutureuseinnewdesigns.“NONCURRENT”specificationsareavailablefromSAEuponrequest.Similarbutnotnecessarilyidenticalprocessesarecoveredinthefollowingspecifications.However,thislistingisprovidedforinformationonlyanddoesnotconstituteauthoritytosubstitutethesespecificationsforthe“NONCURRENT”specification.AMS2404,ElectrolessNickelPlatingAMS2433,Nickel-Thallium-BoronorNickel-BoronPlating,ElectrolessDepositionRationale:Thepriorversionofthisdocument,AMS-C-26074A,wascancelledinfavorofthereinstatedMIL-C-26074E.MIL-C-26074EwassupersededbyMIL-DTL-26074F.MIL-DTL-26074FisavailableonlytoNAVSEANuclearpersonnelandhasbeensupersededbyAMS-C-26074forthepriorusersofMIL-C-26074.AMS-C-26074Bisthereforereinstatedandisdesignatedasanoncurrentdocument.NewdesignsshouldconsiderAMS2404,AMS2433,orothersimilarspecifications.AEROSPACEMATERIALSPECIFICATIONAMS-C-26074BIssuedAUG1998CancelledFEB2005NoncurrentOCT2005SupersedingAMS-C-26074AAMS-C-26074BSAEAMS-C-26074B-2-NOTICEThisdocumenthasbeentakendirectlyfromU.S.MilitarySpecificationMIL-C-26074E,andcontainsonlyminoreditorialandformatchangesrequiredtobringitintoconformancewiththepublishingrequirementsofSAEtechnicalstandards.TheinitialreleaseofthisdocumentisintendedtoreplaceMIL-C-26074E.Anypartnumbersestablishedbytheoriginalspecificationremainunchanged.TheoriginalMilitarySpecificationwasadoptedasanSAEstandardundertheprovisionsoftheSAETechnicalStandardsBoard(TSB)RulesandRegulations(TSB001)pertainingtoacceleratedadoptionofgovernmentspecificationsandstandards.TSBrulesprovidefor(a)thepublicationofportionsofunrevisedgovernmentspecificationsandstandardswithoutconsensusvotingattheSAECommitteelevel,and(b)theuseoftheexistinggovernmentspecificationorstandardformat.UnderDepartmentofDefensepoliciesandprocedures,anyqualificationsrequirementsandassociatedqualifiedproductslistsaremandatorytoDODcontracts.Anyrequirementrelatingtoqualifiedproductslists(QPL’s)hasnotbeenadoptedbySAEandisnotpartofthistechnicalreport.1.SCOPE:1.1Scope:Thisspecificationcoverstherequirementsforelectroless(autocatalyticchemicalreduction)depositionofnickel-phosphorousalloycoatingsonmetalandcompositesurfaces.1.2Classification:1.2.1Classes:Thenickelcoatingsshallbeclassifiedinaccordancewiththethermaltreatmentappliedsubsequenttoplating.Class1-Asplated,nosubsequentheattreatment:Abakeforhydrogenembrittlementreliefisnotconsideredaheattreatment.Class2-Heattreatedtoobtainrequiredhardness:Maybeusedonallmetalsnotaffectedbyheatingto500°Fandabove.Class3-Aluminumalloysnon-heattreatable,andberylliumalloysprocessedtoimproveadhesionofthenickeldeposit.Class4-Aluminumalloys,heat-treatable,processedtoimproveadhesionofthenickeldeposit.1.2.2Grades:Thenickelcoatingsshallbeofthefollowinggrades:GradeA-0.0010-inchminimumthickness.GradeB-0.0005-inchminimumthickness.GradeC-0.0015-inchminimumthickness.AMS-C-26074BSAEAMS-C-26074B-3-2.APPLICABLEDOCUMENTS:Thefollowingdocuments,oftheissueineffectondateofinvitationforbidsorrequestforproposal,formapartofthespecificationtotheextentspecifiedherein.2.1U.S.GovernmentPublications:AvailablefromDODSSP,SubscriptionServicesDesk,Building4D,700RobbinsAvenue,Philadelphia,PA19111-5094.MIL-S-13165ShotPeeningofMetalPartsMIL-STD-105SamplingProceduresandTablesforInspectionbyAttributes2.2ASTMPublications:AvailablefromASTM,100BarrHarborDrive,WestConshohocken,PA19428-2959.ASTMB117MethodofSaltSpray(Fog)TestingASTMB487MeasurementofMetalandOxideCoatingsThicknessbyMicroscopicalExaminationofaCrossSection,Methodfor(DODadopted)ASTMB499StandardTestMethodforMeasurementofCoatingThicknessbytheMagneticMethod:NonmagneticCoatingsonMagneticBasisMetals(DODadopted)ASTMB567MethodforMeasurementofCoatingThicknessbytheBetaBackscatterMethodASTMB568X-RaySpectrometry(DODadopted)ASTMB571TestMethodsforAdhesionofMetallicCoating