ASTM C747-1993(2005) 用声谐振法测定碳和石墨材料弹性模量和基频的试验方法

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【英文标准名称】:StandardTestMethodforModuliofElasticityandFundamentalFrequenciesofCarbonandGraphiteMaterialsbySonicResonance
【原文标准名称】:用声谐振法测定碳和石墨材料弹性模量和基频的试验方法
【标准号】:ASTMC747-1993(2005)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:D02.F0
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:石墨;碳;弹性(流体);耐火材料;弹性模量;试验
【英文主题词】:carbon;dynamicmodulus;elasticmodulus;graphite;modulusofrigidity;sonicresonance
【摘要】:Thistestmethodisprimarilyconcernedwiththeroomtemperaturedeterminationofthedynamicmoduliofelasticityandrigidityofslenderrodsorbarscomposedofhomogeneouslydistributedcarbonorgraphiteparticles.Thistestmethodcanbeadaptedforothermaterialsthatareelasticintheirinitialstress-strainbehavior,asdefinedinTestMethodE111.Thisbasictestmethodcanbemodifiedtodetermineelasticmodulibehaviorattemperaturesfromx2212;75x00B0;Cto+2500x00B0;C.Thingraphiterodsmaybeusedtoprojectthespecimenextremitiesintoambienttemperatureconditionstoprovideresonantfrequencydetectionbytheuseoftransducersasdescribedin6.1.1.1Thistestmethodcoversthemeasurementofthefundamentaltransverse,longitudinal,andtorsionalfrequenciesofisotropicandanisotropiccarbonandgraphitematerials.Thesemeasuredresonantfrequenciesareusedtocalculatedynamicelasticmoduliforanygrainorientations.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q51
【国际标准分类号】:71_060_10
【页数】:8P.;A4
【正文语种】: