ASTM D7639-2010 X射线荧光法测定金属基底上的锆处理重量或厚度的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofZirconiumTreatmentWeightorThicknessonMetalSubstratesbyX-RayFluorescence
【原文标准名称】:X射线荧光法测定金属基底上的锆处理重量或厚度的标准试验方法
【标准号】:ASTMD7639-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D01.53
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:benchtop;coatingweight;EDXRF;handheld;pre-treatment;substrate;thickness;treatment;WDXRF;x-rayfluorescence;zirconium
【摘要】:Theproceduredescribedinthistestmethodisdesignedtoprovideamethodbywhichthecoatingweightofzirconiumtreatmentsonmetalsubstratesmaybedetermined.Thistestmethodisapplicablefordeterminationofthetotalcoatingweightandthezirconiumcoatingweightofazirconium-containingtreatment.1.1ThistestmethodcoverstheuseofX-rayfluorescence(XRF)spectrometryforthedeterminationofthemassofzirconium(Zr)coatingweightperunitareaofmetalsubstrates.1.2Coatingtreatmentscanalsobeexpressedinunitsoflinearthicknessprovidedthatthedensityofthecoatingisknown,orprovidedthatacalibrationcurvehasbeenestablishedforthicknessdeterminationusingstandardswithtreatmentmatchingthisoftestspecimenstobeanalyzed.Forsimplicity,themethodwillsubsequentlyrefertothedeterminationexpressedascoatingweight.1.3XRFisapplicableforthedeterminationofthecoatingweightaszirconiumortotalcoatingweightofazirconiumcontainingtreatment,orboth,onavarietyofmetalsubstrates.1.4ThemaximummeasurablecoatingweightforagivencoatingisthatweightbeyondwhichtheintensityofthecharacteristicX-rayradiationfromthecoatingorthesubstrateisnolongersensitivetosmallchangesinweight.1.5ThevaluesstatedinSIunitsareregardedasthestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:25_220_40
【页数】:3P.;A4
【正文语种】:英语