ASTM G34-2001(2007) 2XXX和7XXX系列铝合金剥落腐蚀敏感性的试验方法(EXCO试验)
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【英文标准名称】:StandardTestMethodforExfoliationCorrosionSusceptibilityin2XXXand7XXXSeriesAluminumAlloys(EXCOTest)
【原文标准名称】:2XXX和7XXX系列铝合金剥落腐蚀敏感性的试验方法(EXCO试验)
【标准号】:ASTMG34-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:合金;铝;腐蚀;金属;灵敏性;试验;磨损
【英文主题词】:exfoliationcorrosion;heattreatablealuminumalloys;immersioncorrosiontest;2XXXaluminumalloys;7XXXaluminumalloys
【摘要】:Thistestmethodwasoriginallydevelopedforresearchanddevelopmentpurposes;however,itisreferenced,inspecificmaterialspecifications,asapplicableforevaluatingproductionmaterial(refertoSection14onPrecisionandBias).Useofthistestmethodprovidesausefulpredictionoftheexfoliationcorrosionbehaviorofthesealloysinvarioustypesofoutdoorservice,especiallyinmarineandindustrialenvironments.4Thetestsolutionisverycorrosiveandrepresentsthemoreseveretypesofenvironmentalservice,excluding,ofcourse,unusualchemicalsnotlikelytobeencounteredinnaturalenvironments.Theexfoliationratingswerearbitrarilychosentoillustrateawiderangeinresistancetoexfoliationinthistest.However,itremainstobedeterminedwhethercorrelationscanbeestablishedbetweenEXCOtestratingsandrealisticserviceconditionsforagivenalloy.ItisanongoingactivityoftheTaskGrouponExfoliationCorrosionofAluminumAlloys(G01.05.02.08)tomaintainoutdoorexposuretestsforthispurpose.Forexample,ithasbeenreported5thatsamplesofAl-Zn-Mg-CualloysratedEAorPina48-hEXCOtestdidnotdevelopmorethanaslightamountofincipientexfoliation(EA)duringsix-tonine-yearexposurestoseacoastatmospheres,whereas,EDratedmaterialsinmostcasesdevelopedsevereexfoliationwithinayearintheseacoastatmosphere.Itisanticipatedthatadditionalcomparisonswillbecomeavailableastheoutdoortestsareextended.1.1Thistestmethodcoversaprocedureforconstantimmersionexfoliationcorrosion(EXCO)testingofhigh-strength2XXXand7XXXseriesaluminumalloys.Note18212;Thistestmethodwasoriginallydevelopedforresearchanddevelopmentpurposes;however,itisreferenced,inspecificmaterialspecifications,asapplicableforevaluatingproductionmaterial(refertoSection14onPrecisionandBias).1.2Thistestmethodappliestoallwroughtproductssuchassheet,plate,extrusions,andforgingsproducedfromconventionalingotmetallurgyprocess.1.3Thistestmethodcanbeusedwithanyformofspecimenorpartthatcanbeimmersedinthetestsolution.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_120_10
【页数】:8P.;A4
【正文语种】:
【原文标准名称】:2XXX和7XXX系列铝合金剥落腐蚀敏感性的试验方法(EXCO试验)
【标准号】:ASTMG34-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:合金;铝;腐蚀;金属;灵敏性;试验;磨损
【英文主题词】:exfoliationcorrosion;heattreatablealuminumalloys;immersioncorrosiontest;2XXXaluminumalloys;7XXXaluminumalloys
【摘要】:Thistestmethodwasoriginallydevelopedforresearchanddevelopmentpurposes;however,itisreferenced,inspecificmaterialspecifications,asapplicableforevaluatingproductionmaterial(refertoSection14onPrecisionandBias).Useofthistestmethodprovidesausefulpredictionoftheexfoliationcorrosionbehaviorofthesealloysinvarioustypesofoutdoorservice,especiallyinmarineandindustrialenvironments.4Thetestsolutionisverycorrosiveandrepresentsthemoreseveretypesofenvironmentalservice,excluding,ofcourse,unusualchemicalsnotlikelytobeencounteredinnaturalenvironments.Theexfoliationratingswerearbitrarilychosentoillustrateawiderangeinresistancetoexfoliationinthistest.However,itremainstobedeterminedwhethercorrelationscanbeestablishedbetweenEXCOtestratingsandrealisticserviceconditionsforagivenalloy.ItisanongoingactivityoftheTaskGrouponExfoliationCorrosionofAluminumAlloys(G01.05.02.08)tomaintainoutdoorexposuretestsforthispurpose.Forexample,ithasbeenreported5thatsamplesofAl-Zn-Mg-CualloysratedEAorPina48-hEXCOtestdidnotdevelopmorethanaslightamountofincipientexfoliation(EA)duringsix-tonine-yearexposurestoseacoastatmospheres,whereas,EDratedmaterialsinmostcasesdevelopedsevereexfoliationwithinayearintheseacoastatmosphere.Itisanticipatedthatadditionalcomparisonswillbecomeavailableastheoutdoortestsareextended.1.1Thistestmethodcoversaprocedureforconstantimmersionexfoliationcorrosion(EXCO)testingofhigh-strength2XXXand7XXXseriesaluminumalloys.Note18212;Thistestmethodwasoriginallydevelopedforresearchanddevelopmentpurposes;however,itisreferenced,inspecificmaterialspecifications,asapplicableforevaluatingproductionmaterial(refertoSection14onPrecisionandBias).1.2Thistestmethodappliestoallwroughtproductssuchassheet,plate,extrusions,andforgingsproducedfromconventionalingotmetallurgyprocess.1.3Thistestmethodcanbeusedwithanyformofspecimenorpartthatcanbeimmersedinthetestsolution.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:77_120_10
【页数】:8P.;A4
【正文语种】:
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