ASTM B645-2010 铝合金线弹性平面-应变断裂韧性试验的标准实施规程

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【英文标准名称】:StandardPracticeforLinear-ElasticPlane-StrainFractureToughnessTestingofAluminumAlloys
【原文标准名称】:铝合金线弹性平面-应变断裂韧性试验的标准实施规程
【标准号】:ASTMB645-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:B07.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aluminumalloys;fracturetoughness;planestrain;qualityassurance;Aluminumalloys;Compositionanalysis--metals/alloys;Cracking--metallicmaterials;Defects--metals/alloys;Fabricatedmaterials;Failureendpoint--metals/alloys;Fatigue;Fracturetes
【摘要】:Thispracticeforplane-strainfracturetoughnesstestingofaluminumalloysmaybeusedasasupplementtoTestMethodE399.Theapplicationofthispracticeisprimarilyintendedforqualityassuranceandmaterialreleaseincaseswherevalidplane-strainfracturetoughnessdatacannotbeobtainedperTestMethodE399.ItmustbeunderstoodthattheinterpretationsandguidelinesinthispracticedonotalterthevalidityrequirementsofTestMethodE399orpromotethedesignationofdatathatareinvalidaccordingtoTestMethodE399toax201C;validx201D;condition.Thispracticeisprimarilyconcernedwithcaseswhereitisnotpossibleorpracticaltoobtainvaliddata,butwherematerialreleasejudgmentsmustbemadeagainstspecifiedfracturetoughnessvalues.Whereitispossibletoobtainavalidplane-strainfracturetoughnessvaluebyreplacementtestingaccordingtoTestMethodE399,thatisthepreferredapproach.1.1Thispracticeisapplicabletothefracturetoughnesstestingofallaluminumalloys,tempers,andproducts,especiallyincaseswherethetestsarebeingmadetoestablishwhetherornotindividuallotsmeettherequirementsofspecificationsandshouldbereleasedtocustomers.1.2TestMethodE399isthebasictestmethodtobeusedforplane-strainfracturetoughnesstestingofaluminumalloys.Thepurposeofthispracticeistoprovidesupplementaryinformationforplane-strainfracturetoughnessofaluminumalloysinthreemainareas:1.2.1Specimensampling,1.2.2Specimensizeselection,and1.2.3Interpretationofinvalidtestresults.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Exception8212;Certaininch-poundvaluesgiveninparenthesesareprovidedforinformationonly.1.4ThisstandardiscurrentlywrittentoaccommodateonlyC(T)specimens.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_120_10
【页数】:6P.;A4
【正文语种】:英语