ASTM B809-1995(2003) 用湿硫黄蒸气("硫黄华")作金属涂层中孔隙率测试的标准试验方法

作者:标准资料网 时间:2024-05-20 07:11:52  浏览:8485   来源:标准资料网

【英文标准名称】:StandardTestMethodforPorosityinMetallicCoatingsbyHumidSulfurVapor("Flowers-of-Sulfur")
【原文标准名称】:用湿硫黄蒸气("硫黄华")作金属涂层中孔隙率测试的标准试验方法
【标准号】:ASTMB809-1995(2003)
【标准状态】:现行
【国别】:
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:B08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验方法;金属覆层;孔隙率
【英文主题词】:porosity;mettaliccoatings;humidsulfurvapor;flowers-of-sulfur;
【摘要】:1.1Thisstandardcoversequipmentandtestmethodsfordeterminingtheporosityofmetalliccoatings,wheretheporespenetratedowntoasilver,copper,orcopper-alloysubstrate.1.2Thistestmethodissuitableforcoatingsconsistingofsingleorcombinedlayersofanycoatingthatdoesnotsignificantlytarnishinareducedsulfuratmosphere,suchasgold,nickel,tin,tin-lead,andpalladium,ortheiralloys.1.3Thistestmethodisdesignedtodeterminewhethertheporositylevelislessthanorgreaterthansomevaluewhichbyexperienceisconsideredbytheusertobeacceptablefortheintendedapplication.1.4Recentreviewsofporositytestingandtestingmethodscanbefoundintheliterature.GuideB765issuitabletoassistintheselectionofporositytestsforelectrodepositsandrelatedmetalliccoatings.OtherporosityteststandardsareTestMethodsB735,B741,B798,andB799.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardsstatements,seeSection8.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:5P.;A4
【正文语种】: