ASTM G112-1992(2003) 进行铝合金的剥离腐蚀试验

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【英文标准名称】:StandardGuideforConductingExfoliationCorrosionTestsinAluminumAlloys
【原文标准名称】:进行铝合金的剥离腐蚀试验
【标准号】:ASTMG112-1992(2003)
【标准状态】:现行
【国别】:
【发布日期】:1992
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G01.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:材料试验;腐蚀;铝合金
【英文主题词】:acceleratedtest;2XXXaluminumalloys;5XXXaluminumalloys;6XXXaluminumalloys;7XXXaluminumalloys;atmospherictests;exfoliationcorrosion;immersiontests;saltfog(spray)tests;testprocedures;testproblems
【摘要】:AlthoughthereareASTMtestmethodsforexfoliationtesting,theyconcentrateonspecificproceduresfortestmethodologyitself.Existenttestmethodsdonotdiscussmaterialvariablesthatcanaffectperformance.Likewisetheydonotaddresstheneedtoestablishthesuitabilityofanacceleratedtestforalloysneverpreviouslytestednortheneedtocorrelateresultsofacceleratedtestswithtestsinoutdooratmospheresandwithenduseperformance.Thisguideisacompilationoftheexperienceofinvestigatorsskilledintheartofconductingexfoliationtestsandassessingthedegreeandsignificanceofthedamageencountered.Thefocusisontwogeneralaspects:guidestotechniquesthatwillenhancethelikelihoodofobtainingreliableinformation,andtipsandprocedurestoavoidpitfallsthatcouldleadtoerroneousresultsandconclusions.Thefollowingthreeareasoftestingareconsidered:thetestmaterialsstartingwiththex201C;as-receivedx201D;sampleupthroughfinalspecimenpreparation,thecorrosiontestproceduresincludingchoiceoftest,inspectionperiods,terminationpoint,andratingprocedures,andanalysesofresultsandmethodsforreportingthem.Thisguideisnotintendedasaspecificcorrosiontestprocedurebywhichtoevaluatetheresistancetoexfoliationofanaluminumalloyproduct.Thisguideisnotintendedasabasisforspecifications,norasaguideformateriallotacceptance.1.1ThisguidediffersfromtheusualASTMstandardinthatitdoesnotaddressaspecifictest.Rather,itisanintroductoryguidefornewusersofotherstandardexfoliationtestmethods,(seeTerminologyG15fordefinitionofexfoliation).1.2Thisguidecoversaspectsofspecimenpreparation,exposure,inspection,andevaluationforconductingexfoliationtestsonaluminumalloysinbothlaboratoryacceleratedenvironmentsandinnatural,outdooratmospheres.Theintentistoclarifyanygapsinexistenttestmethods.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H61
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】: