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【英文标准名称】:StandardTestMethodforCharpyImpactTestonThinSpecimensofPolyethyleneUsedinPressurizedPipes
【原文标准名称】:压力管道用聚乙烯薄样品的却贝冲击试验的标准试验方法
【标准号】:ASTMF2231-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:F17.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Charpyimpacttest;Polyethylene(PE)pipe;Pressurepipelines/pipingsystems;Thinmaterialspecimens/applications
【摘要】:BrownandLu,showtheCharpyimpactenergyisrelatedtotheultimatecriticaltemperatureoftherapidcrackpropagation[RCP]behaviorasmeasuredbytheISO13477,S-4test.Thetestmethodmaybeusedtodeterminetheimpactenergyofpolyethyleneusedinthemanufactureofpipe.ThistestmethodinvolvesthepreparationofasmallcompressionmoldedspecimenofPEresinthatisthennotchedinaspecifiedmanner.Thespecimenisthenbrokeninapendulumimpactmachine.Theimpactenergyisrecordedinjoules.ThevalueobtainedisreferredtoastheCharpyimpactenergy.1.1Thistestmethoddescribesthespecimenpreparationandthemethodofmeasuringtheimpactenergyofpolyethyleneusedinpressurizedpipes.1.2Thetestspecimensaretakenfromcompressionmoldedplaquesoftheresinfrompelletsorpipe.1.3Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:23_040_20
【页数】:2P.;A4
【正文语种】:英语