ASTM E1681-2003 测定金属材料环境致裂的界限应力强度因子的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingaThresholdStressIntensityFactorforEnvironment-AssistedCrackingofMetallicMaterials
【原文标准名称】:测定金属材料环境致裂的界限应力强度因子的标准试验方法
【标准号】:ASTME1681-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:E08.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金属材料;载荷试验;应力;裂开;试验;应力断裂;界限;环境
【英文主题词】:aqueousaggressiveenvironment;constant-forcetest;elasticstressenvironment-assistedcracking;metallicmaterials;thresholdstressintensityfactor
【摘要】:1.1Thistestmethodcoversthedeterminationoftheenvironment-assistedcrackingthresholdstressintensityfactorparameters,KIEACandKEAC,formetallicmaterialsfromconstant-loadtestingoffatigueprecrackedbeamorcompactfracturespecimens.1.2Thistestmethodisapplicabletoenvironment-assistedcrackinginaqueousorotheraggressiveenvironments.1.3Materialsthatcanbetestedbythistestmethodarenotlimitedbythicknessorbystrengthaslongasspecimensareofsufficientthicknessandplanarsizetomeetthesizerequirementsofthistestmethod.1.4Arangeofspecimensizeswithproportionalplanardimensionsisprovided,butsizemaybevariableandadjustedforyieldstrengthandappliedload.Specimenthicknessisavariableindependentofplanarsize.1.5Specimenconfigurationsotherthanthosecontainedinthistestmethodmaybeused,providedthatwell-establishedstressintensitycalibrationsareavailableandthatspecimendimensionsareofsufficientsizetomeetthesizerequirementsofthistestmethodduringtesting.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P26
【国际标准分类号】:91_080_10
【页数】:11P.;A4
【正文语种】: