作者:标准资料网 时间:2024-05-02 10:17:37   浏览:9904   来源:标准资料网

【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膜试验方法
【标准号】:ISO3613-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC107
【标准类型】:()
【标准水平】:()
【中文主题词】:铬涂层;非金属覆层;分析;镉;试验;转化膜;铬酸盐处理;镉覆层;铬酸盐覆层;锌;覆层;化学分析和试验
【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】:7P;A4
【正文语种】:英语