ASTM D6675-2001(2006) 机动车薄钢板上有机涂层的盐加速户外表面腐蚀试验的标准实施规程

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【英文标准名称】:StandardPracticeforSalt-AcceleratedOutdoorCosmeticCorrosionTestingofOrganicCoatingsonAutomotiveSheetSteel
【原文标准名称】:机动车薄钢板上有机涂层的盐加速户外表面腐蚀试验的标准实施规程
【标准号】:ASTMD6675-2001(2006)
【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】:D01.27
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:atmospherictesting;corrosion;exposuretests-exterior
【摘要】:Testsofthetypedescribedinthispracticemaybeusedtoevaluatethecorrosionresistanceoforganiccoatingsonmetalproductsexposedtohighlysaltyenvironments,suchasareassubjectedtodeicingsaltsorcoastalareas.Exposureconditionsarecomplexandchangeable.Importantfactorsincludeclimate,timeofyear,presenceofpollution,andsoforth.Generallyitisdifficult,ifnotimpossible,todefineormeasurepreciselyallthefactorsthatinfluencedegradation.Repeatedexposuretestingduringdifferentseasonsandoveraperiodofatleasttwoyearsisrequiredtoobtainresultsrepresentativeofanygivenlocation.Controlspecimensmustalwaysbeusedbecausethisisacomparativetest.1.1Thispracticeisdesignedtoassistprocedurestobefollowedwhenconductingoutdoorexposurestoevaluatecosmeticcorrosionthatmightoccurinsteelpanelscoveredwithanorganiccoatingthathasbeendamaged.TheoutdoorexposuresdescribedarebasedonPracticeG7andincludeperiodicwettingofthetestspecimenswithasaltsolution.1.2Themethodsofpreparingtestspecimensandtheparticularexposurerequirementsofmaterialsarebeyondthescopeofthispractice.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29;G50
【国际标准分类号】:43_040_60
【页数】:3P.;A4
【正文语种】: