【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】: