【英文标准名称】:TestMethodforPorosityinGoldCoatingsonMetalSubstratesbyPaperElectrography
【原文标准名称】:纸电谱法测量金属基体上金涂层孔隙率的方法
【标准号】:ANSI/ASTMB741-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;孔隙率;金;覆层;金属
【英文主题词】:coatings;testing;metals;porosity;gold
【摘要】:Thistestmethodcoversequipmentandtechniquesfordeterminingporosityingoldcoatings,particularlyelectrodepositsandcladmetalsusedonelectricalcontacts.Thistestmethodisdesignedtoshowwhethertheporositylevelislessorgreaterthansomevaluewhichbyexperienceisconsideredbytheusertobeacceptablefortheintendedapplication.Thistestmethodissuitableforflatsurfaces,orwithappropriatefixtures,forgentlycurvedsurfaces.AvarietyofotherporositytestingmethodsaredescribedinGuideB765andintheliterature.Detailedcriticalreviewsofporositytestingarealsoavailable.OtherporositytestmethodsareB735,B798,B799andB809.Thistestmethodisspecificallydesignedforusewithgoldcoatings(95%gold)onsubstratesofcopperandnickelandtheiralloys.Althoughnotcoveredinthisstandard,variationsofthistestmethodmaybefoundusefulinevaluatingcoatingsotherthangold.ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesinparenthesisareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortoitsuse.Foraspecificprecautionarystatement,seeNote1.
【中国标准分类号】:H60
【国际标准分类号】:25_220_40
【页数】:
【正文语种】:英语


【英文标准名称】:Vitreousandporcelainenamels-Enamelcoatingsappliedtosteelforwritingsurfaces-Specification
【原文标准名称】:釉瓷和搪瓷.书写板用钢的搪瓷层.规范
【标准号】:ISO28762-2008
【标准状态】:作废
【国别】:国际
【发布日期】:2008-10
【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】:黑板;覆层;腐蚀;防腐蚀;定义;耐久性;瓷漆;消磁性;涂鸦;材料测试;数学计算;金属材料;方法;耐力;板材墙面贴面;薄板材;规范(验收);钢板;钢;表面;测试;釉层;计录性能
【英文主题词】:Blackboards;Coatings;Corrosion;Corrosionprotection;Definition;Definitions;Enamels;Erasures;Graffiti;Materialstesting;Mathematicalcalculations;Metallicmaterials;Methods;Resistance;Sheetwallcoverings;Sheets;Specification(approval);Steelplates;Steels;Surfaces;Testing;Vitreousenamel;Writingproperties
【摘要】:
【中国标准分类号】:A29
【国际标准分类号】:25_220_50
【页数】:4P;A4
【正文语种】:英语