【英文标准名称】:StandardTestMethodforCompressiveStrengthofGasketsatElevatedTemperatures
【原文标准名称】:密封垫片高温抗压强度标准试验方法
【标准号】:ASTMF1574-2003a(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:F03.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:annulus;compression;compressivestrength;compressiveyield;crush-extrusion;deformation;failure;gasketmaterial;stress;Compressiontesting--gaskets;Crush-extrusionresistance;Elevatedtemperaturetests;Extrusion;FAAS(flameatomicabsorptions
【摘要】:Thecompressivestrengthorcrush-extrusionresistanceofagasketmaterialisamajorfactorwithregardtotheselectionofagivenmaterialforuseinaparticularsealingapplication.Thesignificanceofthetestmethodisbased,inpart,ontheassumptionthatamaterial,onceithasbeencrushedorextruded,willnolongerfunctionaseffectivelyasaseal.Thisassumptioncanonlybeusedasaguide,however,sinceexactyieldorfailurepointsaredifficulttodefineforgasketmaterials(whichareusuallyviscoelasticinnature).Twoormorematerialscanbecomparedtodeterminedifferencesintheirresistancetocompressivestress.Asampleofmaterialcanbecomparedtoanestablishedstandardorpreviouslydeterminedcharacteristicsonoriginallotsofthesamematerial,forqualityassurancepurposes.See6.2fordiscussionofspecimenareaandgeometryeffects.1.1Thistestmethodcoversthedeterminationofcompressivestrengthcharacteristics(crush-extrusionresistance)ofgasketmaterialsatelevatedtemperature.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J13
【国际标准分类号】:21_140
【页数】:4P.;A4
【正文语种】:英语