ASTM E1086-1994(2005) 用点对面激发技术作不锈钢的光辐射真空光谱测定分析

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【英文标准名称】:StandardTestMethodforOpticalEmissionVacuumSpectrometricAnalysisofStainlessSteelbythePoint-to-PlaneExcitationTechnique
【原文标准名称】:用点对面激发技术作不锈钢的光辐射真空光谱测定分析
【标准号】:ASTME1086-1994(2005)
【标准状态】:现行
【国别】:
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:E01.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金属;不锈的;光谱测定法;真空的;分析;钢;表面
【英文主题词】:opticalemission;point-to-planetechnique;spectrometricanalysis;stainlesssteel;
【摘要】:Thechemicalcompositionofstainlesssteelsmustbedeterminedaccuratelyinordertoensurethedesiredmetallurgicalproperties.Thisprocedureissuitableformanufacturingcontrolandinspectiontesting.1.1Thistestmethodprovidesfortheopticalemissionvacuumspectrometricanalysisofstainlesssteelinsolidformbythepoint-to-planeexcitationtechniqueforthefollowingelementsintheconcentrationrangesshown:ElementConcentrationRange,%Chromium17.0to23.0Nickel7.5to13.0Molybdenum0.01to3.0Manganese0.01to2.0Silicon0.01to0.90Copper0.01to0.30Carbon0.005to0.25Phosphorus0.003to0.15Sulfur0.003to0.0651.2Thistestmethodisdesignedfortheroutineanalysisofchill-castdisksorinspectiontestingofstainlesssteelsamplesthathaveaflatsurfaceofatleast13mm(0.5in.)indiameter.Thesamplesmustbesufficientlymassivetopreventoverheatingduringthedischargeandofasimilarmetallurgicalconditionandcompositionasthereferencematerials.1.3AnalyticalcurvesareplottedusingtheconcentrationratiomethodasshowninPracticeE158.Oneormoreofthereferencematerialsmustcloselyapproximatethecompositionofthespecimen.Thetechniqueofanalyzingreferencematerialsalongwithunknownsandperformingtheindicatedmathematicalcorrectionsmayalsobeusedtocorrectforinterferenceeffectsandtocompensateforerrorsresultingfrominstrumentdrift.Avarietyofsuchsystemsarecommonlyused.Anyofthesethatwillachieveanalyticalaccuracyequivalenttothatreportedforthistestmethodareacceptable.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_040_30;77_140_20
【页数】:5P.;A4
【正文语种】: