ISO 14647-2000 金属覆盖层金属基体上金镀层孔隙率的测定硝酸蒸气法

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【英文标准名称】:Metalliccoatings-Determinationofporosityingoldcoatingsonmetalsubstrates-Nitricacidvapourtest
【原文标准名称】:金属覆盖层金属基体上金镀层孔隙率的测定硝酸蒸气法
【标准号】:ISO14647-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-03
【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】:金属涂层;覆层;定义;定义;试验;试验;镀金;电解镀层;防护覆层;装饰覆层;金覆层;电解;测定;孔隙率
【英文主题词】:Coatings;Decorativecoatings;Definitions;Determination;Electrodepositedcoatings;Electrodeposition;Goldcoatings;Goldplating;Metalcoatings;Porosity;Protectivecoatings;Testing;Tests
【摘要】:ThisInternationalStandardspecifiesequipmentandamethodforusingnitricacidvapourtodetermineporosityingoldcoatings,particularlyelectrodepositsandcladmetalsusedonelectricalcontacts.Thismethodisdesignedtoshowwhethertheporositylevelislessthanorgreaterthansomevaluethat,byexperience,isconsideredbytheusertobeacceptablefortheintendedapplication.Itissuitableforinlaysorcladdingscontaining75%ormoreofgold,forelectrodepositscontaining95%ormoreofgoldorforsubstratesofcopper,nickelandtheiralloysthatarecommonlyusedinelectricalcontacts.Thenitricacidvapourtestistooseveretobeusedforgoldcoatingslessthan0,6μmthick.Itisalsonotsuitableforcoatingsthatarelessnoblethangoldorplatinum,suchaspalladiumanditsalloys,orgold-flashedpalladiumanditsalloys.SeveralotherporositytestingmethodsaredescribedinISO10308andintheliterature(seee.g.Bibliography,[1]and[2]).
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:8P.;A4
【正文语种】:英语