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【英文标准名称】:StandardTestMethodforD-CVolumeResistivelyofGlass
【原文标准名称】:玻璃直流体电阻系数的标准试验
【标准号】:ASTMC657-1993(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:C14.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:D-cvolumeresistivity;Electricalresistance/resistivity;Glass;Volumeresistivity
【摘要】:Thisexperimentalprocedureyieldsmeaningfuldataforthedcvolumeresistivityofglass.Itisdesignedtominimizespacecharge,builduppolarizationeffects,andsurfaceconductances.Thetemperaturerangeislimitedtoroomtemperaturetotheannealingpointofthespecimenglass.1.1Thistestmethodcoversthedeterminationofthedcvolumeresistivityofasmooth,preferablypolished,glassbymeasuringtheresistancetopassageofasmallamountofdirectcurrentthroughtheglassatavoltagehighenoughtoassureadequatesensitivity.Thiscurrentmustbemeasuredundersteady-stateconditionsthatisneitherachargingcurrentnoraspace-charge,builduppolarizationcurrent.1.2Thistestmethodisintendedforthedeterminationofresistivitieslessthan1016x03A9;x00B7;cminthetemperaturerangefrom25x00B0;Ctotheannealingpointoftheglass.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection5.
【中国标准分类号】:Q30
【国际标准分类号】:81_040_10
【页数】:5P.;A4
【正文语种】:英语