ASTM B920-2001(2006)e1 用次氯酸钠液的蒸气测定金属衬底上金和钯合金覆层孔隙度的标准实施规范
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【英文标准名称】:StandardPracticeforPorosityinGoldandPalladiumAlloyCoatingsonMetalSubstratesbyVaporsofSodiumHypochloriteSolution
【原文标准名称】:用次氯酸钠液的蒸气测定金属衬底上金和钯合金覆层孔隙度的标准实施规范
【标准号】:ASTMB920-2001(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:B02.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:electricalcontacts;goldcoatings;goldplatings;hypochlorite;palladiumcoatings;palladiumplatings;platedcontacts;platingporosity;porecorrosiontest;porecounting;porosityscreentesting;porositytesting
【摘要】:1.1Thistestpracticecoversequipmentandmethodsforrevealingtheporosityofgoldandpalladiumcoatings,particularlyelectrodepositsandcladmetalsusedonelectricalcontacts.1.2Thistestpracticeissuitableforcoatingscontaininggoldor75%bymassofpalladiumonsubstratesofcopper,nickel,andtheiralloys,whicharecommonlyusedinelectricalcontacts.1.3Avarietyoffullporositytestingmethodsisdescribedintheliterature.,TheseporosityTestMethodsareB735,B741,B798,B799,andB809.AnASTMGuidetotheselectionofporositytestsforelectrodepositsandrelatedmetalliccoatingsisavailableasGuideB765.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazards,seeSection6.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:用次氯酸钠液的蒸气测定金属衬底上金和钯合金覆层孔隙度的标准实施规范
【标准号】:ASTMB920-2001(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:B02.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:electricalcontacts;goldcoatings;goldplatings;hypochlorite;palladiumcoatings;palladiumplatings;platedcontacts;platingporosity;porecorrosiontest;porecounting;porosityscreentesting;porositytesting
【摘要】:1.1Thistestpracticecoversequipmentandmethodsforrevealingtheporosityofgoldandpalladiumcoatings,particularlyelectrodepositsandcladmetalsusedonelectricalcontacts.1.2Thistestpracticeissuitableforcoatingscontaininggoldor75%bymassofpalladiumonsubstratesofcopper,nickel,andtheiralloys,whicharecommonlyusedinelectricalcontacts.1.3Avarietyoffullporositytestingmethodsisdescribedintheliterature.,TheseporosityTestMethodsareB735,B741,B798,B799,andB809.AnASTMGuidetotheselectionofporositytestsforelectrodepositsandrelatedmetalliccoatingsisavailableasGuideB765.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazards,seeSection6.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:4P.;A4
【正文语种】:
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