ASTM F1276-1999(2003) 复合密封材料的蠕变松弛试验方法

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【英文标准名称】:StandardTestMethodforCreepRelaxationofLaminatedCompositeGasketMaterials
【原文标准名称】:复合密封材料的蠕变松弛试验方法
【标准号】:ASTMF1276-1999(2003)
【标准状态】:现行
【国别】:
【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】:密封件;流动性;试验;复合材料
【英文主题词】:creeprelaxation;deflection;gasketmaterial;platens;relaxometer;strain;stress;temperature;torquebolt;torqueloss
【摘要】:Thistestmethodisdesignedtocomparerelatedmaterialsundercontrolledconditionsandtheirabilitytomaintainagivencompressivestressasafunctionoftime.Aportionofthetorquelossontheboltedflangeisaresultofcreeprelaxation.Torquelosscanalsobecausedbyelongationofthebolts,distortionoftheflanges,andvibration;therefore,theresultsobtainedshouldbecorrelatedwithfieldresults.Thistestmethodmaybeusedasaroutinetestwhenagreeduponbetweentheuserandtheproducer.1.1Thistestmethodprovidesameansofmeasuringtheamountofcreeprelaxationofalaminatedcompositegasketmaterialatapredeterminedtimeafteracompressivestresshasbeenapplied.1.2Creeprelaxationismeasuredbymeansofacalibratedboltwithdialindicator.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:21_140
【页数】:5P.;A4
【正文语种】: