ASTM C1368-2006 利用室温下用常应力率弯曲试验测定高级陶瓷的裂纹缓慢生长参数的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminationofSlowCrackGrowthParametersofAdvancedCeramicsbyConstantStress-RateFlexuralTestingatAmbientTemperature
【原文标准名称】:利用室温下用常应力率弯曲试验测定高级陶瓷的裂纹缓慢生长参数的标准试验方法
【标准号】:ASTMC1368-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:C28.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:高级工业陶瓷;裂纹检验;重复的柔性试验;试验
【英文主题词】:advancedceramics;constantstress-ratetesting;flexuralstrength;flexuraltesting;four-pointflexure;slowcrackgrowth;slowcrackgrowthparameters
【摘要】:1.1Thistestmethodcoversthedeterminationofslowcrackgrowth(SCG)parametersofadvancedceramicsbyusingconstantstress-rateflexuraltestinginwhichflexuralstrengthisdeterminedasafunctionofappliedstressrateinagivenenvironmentatambienttemperature.Thestrengthdegradationexhibitedwithdecreasingappliedstressrateinaspecifiedenvironmentisthebasisofthistestmethodwhichenablestheevaluationofslowcrackgrowthparametersofamaterial.Note1Thistestmethodisfrequentlyreferredtoas"dynamicfatigue"testing(Refs())inwhichtheterm"fatigue"isusedinterchangeablywiththeterm"slowcrackgrowth."Toavoidpossibleconfusionwiththe"fatigue"phenomenonofamaterialwhichoccursexclusivelyundercyclicloading,asdefinedinDefinitionsE1823,thistestmethodusestheterm"constantstress-ratetesting"ratherthan"dynamicfatigue"testing.Note2Inglassandceramicstechnology,statictestsofconsiderabledurationarecalled"staticfatigue"tests,atypeoftestdesignatedasstress-rupture(SeeDefinitionsE1823).1.2ValuesexpressedinthistestmethodareinaccordancewiththeInternationalSystemofUnits(SI)andIEEE/ASTMSI10.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:10P.;A4
【正文语种】: