ASTM B680-1980(2009) 用酸溶解法测定铝的阳极镀层封闭质量的标准试验方法

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【英文标准名称】:StandardTestMethodforSealQualityofAnodicCoatingsonAluminumbyAcidDissolution
【原文标准名称】:用酸溶解法测定铝的阳极镀层封闭质量的标准试验方法
【标准号】:ASTMB680-1980(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1980
【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】:B08.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Aciddissolutiontest;Aluminumalloys(anodiccoatings);Aluminumcoatings;Anodiccoatings--Al/Alalloys);Sealability
【摘要】:Thistestmethoddescribesadestructivetestprocedureformeasuringthedegreeofsealoftheporosityinanodicoxidecoatings.Lowcoatingmasslossisanindicationofgoodsealqualityandoftheabilityofthecoatingtoresiststainingandx201C;bloomingx201D;inmanytypesofservice.Thistestmethodissuitableforqualitycontrolpurposeswithinmanufacturingoperationsandfordeterminingwhetheranodizedpartsmeetsealqualityrequirementsinapplicablespecifications.D1.1Thistestmethodcoversatestforthequalityofsealofporousanodiccoatingsonaluminumanditsalloys.Itisbaseduponthelossinmassofthecoatingafterimmersioninawarmphosphoric-chromicacidsolution.1.2Thistestmethodisapplicabletoanodiccoatingsintendedforexposuretotheweather,orforprotectivepurposesincorrosivemedia,andwhereresistancetostainingisimportant.1.3Thistestmethodisnotapplicableto:1.3.1Hardcoatings,whichnormallyarenotsealed.1.3.2Anodiccoatingsthathavebeensealedonlyindichromatesolutions.1.3.3Anodiccoatingsthathaveundergoneatreatmenttorenderthemhydrophobic.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:2P.;A4
【正文语种】:英语