ISO 15720-2001 金属涂层孔隙率检测用涂胶块阳极电解法检测基体上金或钯涂层的孔隙率

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【英文标准名称】:Metalliccoatings-Porositytests-Porosityingoldorpalladiumcoatingsonmetalsubstratesbygel-bulkelectrography
【原文标准名称】:金属涂层孔隙率检测用涂胶块阳极电解法检测基体上金或钯涂层的孔隙率
【标准号】:ISO15720-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-04
【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】:表面性质;腐蚀;覆层;缺陷;空隙率试验;电解;金属覆层;孔隙率;破坏试验;金覆层;孔容;钯;试验;定义;防腐蚀
【英文主题词】:Coatings;Corrosion;Corrosionprotection;Defects;Definitions;Destructivetesting;Electrolysis;Goldcoatings;Metalcoatings;Palladium;Porevolume;Porosity;Porositytest;Surfaceproperties;Testing
【摘要】:Thistestmethodcoversequipmentandtechniquesfordeterminingporosityinnoblemetalcoatings,particularlyelectrodepositsofgold,palladiumandpalladium-nickelalloy(70%to90%palladium)andcladmetalsusedonelectricalcontacts.Thegel-bulkprocedureisnotassensitivetosmallporesandismorecomplexthanporositytestsinvolvinggaseouscorrodants(seeISO14647andISO15721).Italsoinvolvesmorechemicals,preparationandauxiliaryequipment.Thistestisintendedtobeusedforquantitativedescriptionsofporosity(suchasnumberofporesperunitareaorpercontact)onlyonmeasurementareaswherecoatingshaveasufficientlylowporedensitysuchthatthecorrosionsitesarewellseparatedandcanbereadilyresolved.Asageneralguidelinethiscanbeachievedforporedensitiesuptoabout25/cm.OtherporositytestingmethodsareoutlinedinISO10308.Detailedcriticalreviewsofporositytestingarealsoavailable.OtherporositytestmethodsaredescribedinISO12687,ISO14647andISO15721.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:11P.;A4
【正文语种】:英语