ASTM G31-1972(2004) 金属的实验室浸渍腐蚀试验
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【英文标准名称】:StandardPracticeforLaboratoryImmersionCorrosionTestingofMetals
【原文标准名称】:金属的实验室浸渍腐蚀试验
【标准号】:ASTMG31-1972(2004)
【标准状态】:现行
【国别】:
【发布日期】:1972
【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】:J01.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:工艺;试验;腐蚀;浸渍试验;磨损;金属;实验室试验
【英文主题词】:accelerated;immersion;laboratory;massloss;metals;pitting
【摘要】:Corrosiontestingbyitsverynatureprecludescompletestandardization.Thispractice,ratherthanastandardizedprocedure,ispresentedasaguidesothatsomeofthepitfallsofsuchtestingmaybeavoided.Experiencehasshownthatallmetalsandalloysdonotrespondaliketothemanyfactorsthataffectcorrosionandthatx201C;acceleratedx201D;corrosiontestsgiveindicativeresultsonly,ormayevenbeentirelymisleading.Itisimpracticaltoproposeaninflexiblestandardlaboratorycorrosiontestingprocedureforgeneraluse,exceptformaterialqualificationtestswherestandardizationisobviouslyrequired.Indesigninganycorrosiontest,considerationmustbegiventothevariousfactorsdiscussedinthispractice,becausethesefactorshavebeenfoundtoaffectgreatlytheresultsobtained.1.1Thispracticedescribesacceptedproceduresforandfactorsthatinfluencelaboratoryimmersioncorrosiontests,particularlymasslosstests.Thesefactorsincludespecimenpreparation,apparatus,testconditions,methodsofcleaningspecimens,evaluationofresults,andcalculationandreportingofcorrosionrates.Thispracticealsoemphasizestheimportanceofrecordingallpertinentdataandprovidesachecklistforreportingtestdata.OtherASTMproceduresforlaboratorycorrosiontestsaretabulatedintheAppendix.(Warning-Inmanycasesthecorrosionproductonthereactivemetalstitaniumandzirconiumisahardandtightlybondedoxidethatdefiesremovalbychemicalorordinarymechanicalmeans.Inmanysuchcases,corrosionratesareestablishedbymassgainratherthanmassloss.)1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:
【原文标准名称】:金属的实验室浸渍腐蚀试验
【标准号】:ASTMG31-1972(2004)
【标准状态】:现行
【国别】:
【发布日期】:1972
【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】:J01.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:工艺;试验;腐蚀;浸渍试验;磨损;金属;实验室试验
【英文主题词】:accelerated;immersion;laboratory;massloss;metals;pitting
【摘要】:Corrosiontestingbyitsverynatureprecludescompletestandardization.Thispractice,ratherthanastandardizedprocedure,ispresentedasaguidesothatsomeofthepitfallsofsuchtestingmaybeavoided.Experiencehasshownthatallmetalsandalloysdonotrespondaliketothemanyfactorsthataffectcorrosionandthatx201C;acceleratedx201D;corrosiontestsgiveindicativeresultsonly,ormayevenbeentirelymisleading.Itisimpracticaltoproposeaninflexiblestandardlaboratorycorrosiontestingprocedureforgeneraluse,exceptformaterialqualificationtestswherestandardizationisobviouslyrequired.Indesigninganycorrosiontest,considerationmustbegiventothevariousfactorsdiscussedinthispractice,becausethesefactorshavebeenfoundtoaffectgreatlytheresultsobtained.1.1Thispracticedescribesacceptedproceduresforandfactorsthatinfluencelaboratoryimmersioncorrosiontests,particularlymasslosstests.Thesefactorsincludespecimenpreparation,apparatus,testconditions,methodsofcleaningspecimens,evaluationofresults,andcalculationandreportingofcorrosionrates.Thispracticealsoemphasizestheimportanceofrecordingallpertinentdataandprovidesachecklistforreportingtestdata.OtherASTMproceduresforlaboratorycorrosiontestsaretabulatedintheAppendix.(Warning-Inmanycasesthecorrosionproductonthereactivemetalstitaniumandzirconiumisahardandtightlybondedoxidethatdefiesremovalbychemicalorordinarymechanicalmeans.Inmanysuchcases,corrosionratesareestablishedbymassgainratherthanmassloss.)1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:
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