【英文标准名称】:Non-magneticmetalliccoatingsonmetallicandnon-metallicbasismaterials-Measurementofcoatingthickness-Phase-sensitiveeddy-currentmethod
【原文标准名称】:金属和非金属基材的非磁性金属覆层.覆层厚度测量.相敏涡流法
【标准号】:ISO21968-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-07
【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】:厚度;无损;非金属;涡流法;非磁性的;层压材料;金属的;电性能;层厚度测量;覆层厚度;涡流试验;测量仪器;表面覆层;覆层;表面;测量;尺寸测量;规范(验收);试验;测量技术;尺寸;特性;表面保护涂覆;基材;非金属覆层;无损检验;材料;金属材料;材料试验;测量精度;金属;层
【英文主题词】:Basematerials;Coatingthickness;Coatings;Dimensionalmeasurement;Dimensions;Eddy-currentmethods;Eddy-currenttests;Electricalproperties;Laminatedmaterial;Layerthicknessmeasurement;Layers;Materials;Materialstesting;Measurement;Measuringaccuracy;Measuringinstruments;Measuringtechniques;Metallic;Metallicmaterials;Metals;Non-destructive;Non-destructivetesting;Non-magnetic;Non-metalliccoatings;Non-metals;Properties;Specification(approval);Surfacecoating;Surfaceprotectivecoat;Surfaces;Testing;Thickness
【摘要】:ThisInternationalStandarddescribesamethodofusingphase-sensitiveeddy-currentinstrumentsfornon-destructivemeasurementsofthethicknessofnon-magneticmetalliccoatingsonmetallicandnon-metallicbasismaterials,suchas:a)zinc,cadmium,copper,tinorchromiumonsteel;b)copperorsilveroncompositematerials.Thephase-sensitivemethodcanbeappliedwithoutthicknesserrorstosmallersurfaceareasandtostrongersurfacecurvaturesthantheamplitude-sensitiveeddy-currentmethoddescribedinISO2360[1],andislessaffectedbythemagneticpropertiesofthebasismaterial.However,thephase-sensitivemethodismoreaffectedbytheelectricalpropertiesofthecoatingmaterials.Whenmeasuringmetalliccoatingsonmetallicbasismaterials,theproductofconductivityandpermeability(σ,μ)ofoneofthematerialsshouldbeatleastafactorof1,5timestheproductofconductivityandpermeabilityfortheothermaterial.Non-ferromagneticmaterialshavearelativepermeabilityof1.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40
【页数】:12P;A4
【正文语种】:英语