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【英文标准名称】:StandardTestMethodforMeasurementofCoatingThicknessesbytheMagneticMethod:ElectrodepositedNickelCoatingsonMagneticandNonmagneticSubstrates
【原文标准名称】:用磁性法测量磁性和非磁性基底上的电解沉积镀镍层厚度的标准试验方法
【标准号】:ASTMB530-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:覆层;镍;金属;电解镀层;非磁性;磁的;厚度;金属覆层;测量技术
【英文主题词】:coatingthickness;magneticmethod;nickelcoatings;thickness;thicknesstesting
【摘要】:Thethicknessofacoatingisoftencriticaltoitsperformance.Thismagneticmethodissuitableformeasuringnondestructivelythethicknessofsomenickelcoatingsandforspecificationacceptance.Thismethodrequiresthatthemagneticpropertiesofthecoatinganditssubstratebethesameasthoseofthecalibrationstandards.1.1Thistestmethodcoverstheuseofmagneticinstrumentsforthenondestructivemeasurementofthethicknessofanelectrodepositednickelcoatingoneitheramagneticornonmagneticsubstrate.1.2Theseinstrumentsmeasureeitherthemagneticattractionbetweenamagnetandthecoating-substratecombination,orthereluctanceofamagneticfluxpathpassingthroughthecoatingandthebasismetal.1.3Forthistestmethod,therearetwotypesofcoating-substratecombinationsthatcanbeencountered:TypeA,nickelcoatingsonamagneticsubstrate,andTypeB,nickelcoatingsonanonmagneticsubstrate.1.4Theeffectivemeasuringrangesofinstrumentsusingtheprincipleofmagneticattractionareupto50mforTypeAcoatings,andupto25mforTypeBcoatings.Forreluctancegages,theeffectiverangesaremuchgreater,andmeasurementsupto1mmormore,canbemadeonbothtypesofcoatings.1.5MeasurementsmadeinaccordancewiththistestmethodwillbeincompliancewiththerequirementsofISOStandard2361asprintedin1982.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20(PROPERTIESOFSURFACES);25_220_40(METALLICCOATINGS)
【页数】:4P.;A4
【正文语种】: