ASTM D1082-2000(2005) 云母耗散因数和电容率(介电常数)的标准试验方法
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【英文标准名称】:StandardTestMethodforDissipationFactorandPermittivity(DielectricConstant)ofMica
【原文标准名称】:云母耗散因数和电容率(介电常数)的标准试验方法
【标准号】:ASTMD1082-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dissipationfactor;mica;permittivity
【摘要】:Thedissipationfactorofnaturalmuscovitemica,asdeterminedbythistestmethod,isofpracticalimportanceasameasureoftheelectricalenergylostasheatinthemicaservingasthedielectricsubstanceofcapacitors,orinotherapplicationsinwhichtheelectricfieldisappliedperpendiculartotheplaneofcleavage.Thedissipationfactorisparticularlyimportantinapplicationsusingmicaatradiofrequenciesandinsomelessextensiveaudiofrequencyapplications.Thistestmethodissuitableforspecificationacceptanceanddielectric-losscontroltests(SeetheSignificanceandUseofTestMethodsD150).RelativePermittivity(DielectricConstant)8212;Thepermittivityofnaturalmuscovitemicaisameasureofitsrelativeabilitytostoreelectrostaticenergy.Sincetherelativepermittivityperpendiculartothecleavageplaneisfairlyuniform,regardlessoforigin,itspracticalsignificanceismainlyforidentificationpurposes,specialuses,research,anddesign.Ifalossindexisdesired,thevalueofthepermittivitymustbeknown(seetheSignificanceandUseofTestMethodsD150).1.1Thistestmethodcoversthedeterminationofthedissipationfactorandtherelativepermittivityofnaturalblockmicahavingthicknessesbetween0.007and0.030in.(0.18and0.77mm)andmicafilmsorcapacitorsplitsbetween0.0008and0.004in.(0.02and0.10mm)inthickness.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.AspecificwarningstatementisgiveninSectionand.Note1ProceduresforthemeasurementofdissipationfactorandpermittivityaregiveninIECPublication60371-2,butthedetailsoftheprocedurearesomewhatdifferentfromthosespecifiedinthistestmethod.
【中国标准分类号】:K15
【国际标准分类号】:73_080
【页数】:3P.;A4
【正文语种】:
【原文标准名称】:云母耗散因数和电容率(介电常数)的标准试验方法
【标准号】:ASTMD1082-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dissipationfactor;mica;permittivity
【摘要】:Thedissipationfactorofnaturalmuscovitemica,asdeterminedbythistestmethod,isofpracticalimportanceasameasureoftheelectricalenergylostasheatinthemicaservingasthedielectricsubstanceofcapacitors,orinotherapplicationsinwhichtheelectricfieldisappliedperpendiculartotheplaneofcleavage.Thedissipationfactorisparticularlyimportantinapplicationsusingmicaatradiofrequenciesandinsomelessextensiveaudiofrequencyapplications.Thistestmethodissuitableforspecificationacceptanceanddielectric-losscontroltests(SeetheSignificanceandUseofTestMethodsD150).RelativePermittivity(DielectricConstant)8212;Thepermittivityofnaturalmuscovitemicaisameasureofitsrelativeabilitytostoreelectrostaticenergy.Sincetherelativepermittivityperpendiculartothecleavageplaneisfairlyuniform,regardlessoforigin,itspracticalsignificanceismainlyforidentificationpurposes,specialuses,research,anddesign.Ifalossindexisdesired,thevalueofthepermittivitymustbeknown(seetheSignificanceandUseofTestMethodsD150).1.1Thistestmethodcoversthedeterminationofthedissipationfactorandtherelativepermittivityofnaturalblockmicahavingthicknessesbetween0.007and0.030in.(0.18and0.77mm)andmicafilmsorcapacitorsplitsbetween0.0008and0.004in.(0.02and0.10mm)inthickness.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.AspecificwarningstatementisgiveninSectionand.Note1ProceduresforthemeasurementofdissipationfactorandpermittivityaregiveninIECPublication60371-2,butthedetailsoftheprocedurearesomewhatdifferentfromthosespecifiedinthistestmethod.
【中国标准分类号】:K15
【国际标准分类号】:73_080
【页数】:3P.;A4
【正文语种】:
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