ASTM B244-1997(2002) 用涡流仪器测量铝阳极镀层及其它非磁性基底金属绝缘镀层的厚度标准试验方法

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【英文标准名称】:StandardTestMethodforMeasurementofThicknessofAnodicCoatingsonAluminumandofOtherNonconductiveCoatingsonNonmagneticBasisMetalswithEddy-CurrentInstruments
【原文标准名称】:用涡流仪器测量铝阳极镀层及其它非磁性基底金属绝缘镀层的厚度标准试验方法
【标准号】:ASTMB244-1997(2002)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:B08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:非磁的;铝;覆层;测量技术;阳极;阳极镀层;涡流法;测量;金属覆层;不导电的;厚度测量
【英文主题词】:coatings;NumberCode17.040.20(Propertiesofsurfaces)
【摘要】:Thethicknessofacoatingisoftencriticaltoitsperformance.Thiseddy-currentmethodisnondestructiveandissuitableformeasuringthethicknessofanodiccoatingsonaluminum,aswellasthethicknessofmostnonconductivecoatingsonnonmagneticbasismetals.Thistestmethodrequiresthattheconductivityofthesubstratebethesameinthecalibrationstandardandinthecoatedarticletobemeasured.1.1Thistestmethodcoverstheuseofeddy-currentinstrumentsforthenondestructivemeasurementofthethicknessofanonconductivecoatingonanonmagneticbasismetal.1.2Thistestmethodisparticularlyusefulformeasuringthethicknessofananodiccoatingonaluminumalloys.Chemicalconversioncoatingsaretoothintobemeasuredbythismethod.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20
【页数】:3P.;A4
【正文语种】:

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上一篇: ASTM E1617-1997(2007) 报告粒度特性数据的标准规程
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MIL-T-9874A, MILITARY SPECIFICATION, TRAINING AND KITS, MARKSMANSHIP, SMALL ARMS WEAPONS, A/E 29U-T1 (25 FEB 1963)., This specification covers the requirements for training aids required for marksmanship training relative to small arms weapons.【英文标准名称】:Plastics-Smokegeneration-Part3:Determinationofopticaldensitybyadynamic-flowmethod
【原文标准名称】:塑料烟雾产生第3部分:动态流动法测定光密度
【标准号】:ISO/TR5659-3-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-09
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:高温试验;塑料;光密度;试验;测定;渗透技术;定义;定义;烟雾扩展
【英文主题词】:Definition;Definitions;Determination;High-temperaturetesting;Opticaldensity;Permeabilitytechniques;Plastics;Smokedevelopment;Testing
【摘要】:1ThispartofISO5659specifiesamethodofmeasuringsmokeproductionfromtheexposedsurfaceofspecimensofessentiallyflatmaterials,compositesorassembliesnotexceeding25mminthickness,whenplacedinahorizontalorientationandsubjectedtospecifiedlevelsofthermalirradianceunderforcedventilationconditions.withorwithouttheapplicationofapilotflame.Thismethodoftestisapplicabletoplasticsandmayalsobeusedfortheevaluationofothermaterials(e.g.rubbers,textilecoverings,paintedsurfaces,woodandotherbuildingmaterials).2Valuesofopticaldensitydeterminedbythistestarespecifictothespecimenorassemblymaterialintheformandthicknesstestedandarenottobeconsideredinherent,fundamentalproperties.3Thetestisintendedforuseinresearchanddevelopmentandnotprimarilyasabasisforratingsforbuildingcodesorotherpurposes.Nobasisisprovidedforpredictingthedensityofsmokewhichmaybegeneratedbythematerialsuponexposuretoheatandflameunderotherexposureconditions,suchasend-useconditions,norhasanycorrelationbeenestablishedwithmeasurementsderivedfromothertestmethods.4Itisemphasizedthatsmokeproductionfromamaterialvariesaccordingtotheventilationconditionsandtheirradianceleveltowhichthespecimenisexposed.Inmakinguseoftheresultsofthismethod,itshouldbeborneinmindthattheresultsarebasedonexposuretothespecificirradiancelevelsof25kW/mandof50kW/munderspecificventilationconditions.
【中国标准分类号】:G31
【国际标准分类号】:13_220_40;83_080_01
【页数】:14P;A4
【正文语种】:英语

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ASTM B244-1997(2002) 用涡流仪器测量铝阳极镀层及其它非磁性基底金属绝缘镀层的厚度标准试验方法

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