【英文标准名称】:StandardTestMethodforCompressibilityandRecoveryofLaminatedCompositeGasketMaterials
【原文标准名称】:垫片材料的压缩性及回弹性的标准试验方法
【标准号】:ASTMF806-1999a(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:compressibility;gasketmaterialcomposites;gasketmateriallaminates;recovery;resiliency;Compositegasketmaterials;Compressiontesting--gaskets;Gasketedmaterialcomposites/laminates;Gaskets;Heatingtests--gaskets;Laminatedcompositegaskets;L
【摘要】:Thistestmethodisdesignedtocomparerelatedlaminatedcompositegasketmaterialsundercontrolledconditionsandtheirshort-timecompressibilityandrecoveryatroomtemperature.Itmeasurescompressibilitywithamatchedpairofopposingupperandlowerpenetratorswhichprovidebetterprecisionandbiasthanmethodsusinganupperpenetratorandaloweranvil.Itisdifficulttoprepareundistortedtestspecimensfromlaminatedcompositegasketmaterialswhichwilllayflatonananvil.Also,withmanycompositeshavingrigidinnerlayerstheloadontheupperpenetratorisdistributedoverthebottomanvilarearesultinginalowerthanactualcompressibilityreading.Thistestmethodmaybeusedasaroutinetestmethodwhenagreeduponbetweenthepurchaserandtheproducer.1.1Thistestmethodcoversdeterminationoftheshort-timecompressibilityandrecoveryatroomtemperatureoflaminatedcompositegasketmaterials.1.2Thistestmethodisnotintendedasatestforcompressibilityunderprolongedstressapplication,thatisx201C;creep,x201D;orforrecoveryfollowingsuchprolongedstressapplication,theinverseofwhichisgenerallyreferredtoasx201C;compressionset.x201D;Also,itisonlyintendedfortestsatroomtemperature.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J22
【国际标准分类号】:21_140
【页数】:3P.;A4
【正文语种】:英语