【英文标准名称】:StandardTestMethodforDeterminingIgnitionSensitivityofMaterialstoMechanicalImpactinAmbientLiquidOxygenandPressurizedLiquidandGaseousOxygenEnvironments
【原文标准名称】:在环境液态氧和加压液态或气态氧环境中测定材料对机械冲击着火敏感性的试验方法
【标准号】:ASTMG86-1998a(2005)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:G04.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:氧;冲击试验;压力;着火性;材料;测定;环境;试验
【英文主题词】:compatibility;ignition;impacttest;mechanicalimpact;oxygen;pressurizedoxygen;liquidoxygen;gaseousoxygen
【摘要】:Thistestmethodevaluatestherelativesensitivityofmaterialstomechanicalimpactinambientpressureliquidoxygen,pressurizedliquidoxygen,andpressurizedgaseousoxygen.Anychangeorvariationintestsampleconfiguration,thickness,preparation,orcleanlinessmaycauseasignificantchangeinimpactsensitivity/reactionthreshold.Suggestedcriteriafordiscontinuingthetestsare:(1)occurrenceoftworeactionsinamaximumof60samplesorlesstestedatthemaximumenergylevelof98J(72ftx2022;lbf)oronereactioninamaximumof20samplestestedatanyotherenergylevelforamaterialthatfails;(2)noreactionsfor20samplestestedatthe98-J(72-ftx2022;lbf)energylevel;or(3)amaximumofonereactionin60samplestestedatthemaximumenergylevel.1.1Thistestmethod178;describestestequipmentandtechniquestodeterminetheimpactsensitivityofmaterialsinoxygenundertwodifferentconditions:(1)inambientpressureliquidoxygen(LOX)or(2)underpressure-controlledconditionsinLOXorgaseousoxygen(GOX).ItisapplicabletomaterialsforuseinLOXorGOXsystemsatpressuresfromambientto68.9MPa(0to10000psig).Thetestmethoddescribedhereinaddressestestingwithpureoxygenenvironments;however,otheroxygen-enrichedfluidsmaybesubstitutedthroughoutthisdocument.1.2ThistestmethodprovidesameansforrankingnonmetallicmaterialsasdefinedinGuideG63foruseinliquidandgaseousoxygensystemsandmaynotbedirectlyapplicabletothedeterminationofthesensitivityofthematerialsinanend-useconfiguration.Thistestmethodmaybeusedtoprovidebatch-tobatchacceptancedata.Thistestmethodmayprovideameansforevaluatingmetallicmaterialsinoxygen-enrichedatmospheresalso;however,GuideG94shouldbeconsultedforpreferredtestingmethods.1.3ValuesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeealsoSection9.
【中国标准分类号】:J04
【国际标准分类号】:
【页数】:18P.;A4
【正文语种】: