【英文标准名称】:StandardTestMethodforMeasurementofCoatingThicknessbyX-RaySpectrometry
【原文标准名称】:用X射线光度法测定覆层厚度的标准试验方法
【标准号】:ASTMB568-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:厚度;测量技术;X射线光度法;覆层
【英文主题词】:absorption;collimator;emission;filter;ratio;X-ray
【摘要】:Thisisasensitive,noncontact,andnondestructivemethodformeasuringthecoatingthickness(andinsomecases,coatingcomposition)ofmetallicandsomenonmetalliccoatingsoverarangeofthicknessesfromaslittleas0.01x03BC;mtoasmuchas75x03BC;mdependingonthecoatingandsubstratematerials.Itcanbeusedtomeasurecoatingandbasecombinationsthatarenotreadilymeasuredbyothertechniques.Thecoatingthicknessisanimportantfactorintheperformanceofacoatinginservice.1.1ThistestmethodcoverstheuseofX-rayspectrometrytodeterminethicknessofmetallicandsomenonmetalliccoatings.1.2ThemaximummeasurablethicknessforagivencoatingisthatthicknessbeyondwhichtheintensityofthecharacteristicsecondaryXradiationfromthecoatingorthesubstrateisnolongersensitivetosmallchangesinthickness.1.3Thistestmethodmeasuresthemassofcoatingperunitarea,whichcanalsobeexpressedinunitsoflinearthicknessprovidedthatthedensityofthecoatingisknown.1.4ProblemsofpersonnelprotectionagainstradiationgeneratedinanX-raytubeoremanatingfromaradioisotopesourcearenotcoveredbythistestmethod.Forinformationonthisimportantaspect,referenceshouldbemadetocurrentdocumentsoftheNationalCommitteeonRadiationProtectionandMeasurement,FederalRegister,NuclearRegulatoryCommission,NationalInstituteofStandardsandTechnology(formerlytheNationalBureauofStandards),andtostateandlocalcodesifsuchexist.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20
【页数】:8P.;A4
【正文语种】:


【英文标准名称】:Buildingconstruction;jointingproducts;determinationoftensileproperties(ISO8339:1984);germanversionEN28339:1990
【原文标准名称】:高层建筑.接缝密封材料.抗拉强度测定(ISO8339:1984)
【标准号】:DINEN28339-1991
【标准状态】:作废
【国别】:德国
【发布日期】:1991-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:连接工艺;抗拉试验;试验;腻子;延伸;抗拉强度;接缝密封;接缝密封胶;建筑物;密封材料;连接;密封;断裂试验;建筑;测定;施工材料;建筑密封胶
【英文主题词】:joiningprocesses;fracturetests;putty;tensilestrength;trials;buildingsealants;sealingmaterials;testing;determination;buildings;sealing;tests;constructionmaterials;joints;construction;jointsealan
【摘要】:
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:4P;A4
【正文语种】:德语