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【英文标准名称】:Chromateconversioncoatingsonzinc,cadmium,aluminium-zincalloysandzinc-aluminiumalloys-Testmethods
【原文标准名称】:锌,镉,铝-锌合金和锌铝合金的铬酸盐转化镀层.试验方法
【标准号】:BSENISO3613-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-09-06
【实施或试行日期】:2001-09-06
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:比色法;铝合金;化学分析和试验;转化膜;附着力试验;铬酸盐;镉;铬;覆层;含量测定;锌
【英文主题词】:Analysis;Cadmium;Chemicalanalysisandtesting;Chromatecoatings;Chromating;Chromiumcoatings;Coatings;Coatingsofcadmium;Conversioncoating;Corrosionprotection;Non-metalliccoatings;Testing;Zinc
【摘要】:ThisInternationalStandardspecifiesmethodsforthedeterminationofthe—presenceofcolourlesschromateconversioncoatings;—presenceandquantityofhexavalentchromiumincolourlessandcolouredcoatingsonzinc,cadmium,aluminium(55%massfraction)-zincandzinc-aluminium(5%massfraction)alloys;—totalchromiumcontentperunitareaonzincandcadmium;—massperunitareaofbothcolourlessandcolouredcoatings;—satisfactoryadhesionofchromateconversioncoatings;—qualityofchromatecoating.Thesemethodsareapplicable—tocolourlessandcolouredchromateconversioncoatingscontainingtri-andhexavalentchromiuminvaryingproportionsandproducedbyeitherchemicalorelectrochemicalprocesses;—onlytochromatecoatingsthatarefreefromanysupplementarycoatingssuchasoil,waterorsolvent-basedpolymersorwax.note:1)Theapplicationofverythin,colourless,practicallyinvisiblechromateconversioncoatingsisfrequentlycalled"passivation",whiletheapplicationofthicker,colouredchromateconversioncoatingsisoftencalled"chromating".Thetermpassivationisnotcorrectandis,therefore,notrecommended.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:18P;A4
【正文语种】:英语