ASTM C747-1993(2010)e1 用音响共振法测定炭精和石墨的弹性模量与基本频率的标准试验方法

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【英文标准名称】:StandardTestMethodforModuliofElasticityandFundamentalFrequenciesofCarbonandGraphiteMaterialsbySonicResonance
【原文标准名称】:用音响共振法测定炭精和石墨的弹性模量与基本频率的标准试验方法
【标准号】:ASTMC747-1993(2010)e1
【标准状态】:现行
【国别】:美国
【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】:
【英文主题词】:carbon;dynamicmodulus;elasticmodulus;graphite;modulusofrigidity;sonicresonance;Anisotropiccarbon/graphitematerials;Carbon;Dynamicmodulus;Fundamentalresonantfrequencies;Graphite;Isotropiccarbon/graphitematerials;Longitudinalfr
【摘要】:Thistestmethodisprimarilyconcernedwiththeroomtemperaturedeterminationofthedynamicmoduliofelasticityandrigidityofslenderrodsorbarscomposedofhomogeneouslydistributedcarbonorgraphiteparticles.Thistestmethodcanbeadaptedforothermaterialsthatareelasticintheirinitialstress-strainbehavior,asdefinedinTestMethodE111.Thisbasictestmethodcanbemodifiedtodetermineelasticmodulibehaviorattemperaturesfromx2212;75x00B0;Cto+2500x00B0;C.Thingraphiterodsmaybeusedtoprojectthespecimenextremitiesintoambienttemperatureconditionstoprovideresonantfrequencydetectionbytheuseoftransducersasdescribedin6.1.1.1Thistestmethodcoversthemeasurementofthefundamentaltransverse,longitudinal,andtorsionalfrequenciesofisotropicandanisotropiccarbonandgraphitematerials.Thesemeasuredresonantfrequenciesareusedtocalculatedynamicelasticmoduliforanygrainorientations.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.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】:英语