ANSI/ASTM D2304-1997 刚性电绝缘材料耐热性试验方法

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【英文标准名称】:TestMethodforThermalEnduranceofRigidElectricalInsulatingMaterials
【原文标准名称】:刚性电绝缘材料耐热性试验方法
【标准号】:ANSI/ASTMD2304-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:热稳定性;质量;绝缘
【英文主题词】:Coatings;Electricalengineering;Electricalinsulation;Evaluations;Heat;Insulations;Processes;Quality;Thermalstability
【摘要】:Thistestmethodprovidesproceduresforevaluatingthethermalenduranceofrigidelectricalinsulatingmaterials.Dielectricstrength,flexuralstrength,orwaterabsorptionaredeterminedatroomtemperatureafteragingforincreasingperiodsoftimeinairatselected-elevatedtemperatures.Athermal-endurancegraphisplottedusingaselectedendpointateachagingtemperature.Ameansisdescribedfordeterminingatemperatureindexbyextrapolationofthethermalendurancegraphtoaselectedtime.Thistestmethodismostapplicabletorigidelectricalinsulationsuchassupports,spacers,voltagebarriers,coilforms,terminalboards,circuitboardsandenclosuresformanytypesofapplicationwhereretentionoftheselectedpropertyafterheatagingisimportant.Whendielectricstrengthisusedastheagingcriterion,thistestmethodmayalsobeusedforsomethinsheet(flexible)materials,whichbecomerigidwiththermalaging,butisnotintendedtoreplaceTestMethodD1830forthosematerialswhichmustretainadegreeofflexibilityinuse.Thistestmethodisnotapplicabletoceramics,glass,orsimilarinorganicmaterials.Thevaluesstatedinmetricunitsaretoberegardedasstandard.Otherunits(inparentheses)areprovidedforinformation.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Aspecificwarningstatementisgivenin10.3.4.
【中国标准分类号】:K15
【国际标准分类号】:29_035_01
【页数】:
【正文语种】:英语