SAE AMS5578 Steel, Corrosion and Heat Resistant, Welded Tubing 12cr 8.5ni 0.30cb 1.1ti 2.0cu Vacuum Induction Plus Consu
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来源:标准资料网
Product Code:SAE AMS5578
Title:Steel, Corrosion and Heat Resistant, Welded Tubing 12cr 8.5ni 0.30cb 1.1ti 2.0cu Vacuum Induction Plus Consumable Electrode Vacuum Melted Solution Heat Treated, Precipitation Hardenable
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a premium-quality corrosion and heat resistant steel in the form of welded tubing.
【英文标准名称】:StandardTestMethodforCrack-TipOpeningDisplacement(CTOD)FractureToughnessMeasurement
【原文标准名称】:测量裂缝尖端开口位移(CTOD)断裂韧度测量的标准试验方法
【标准号】:ASTME1290-2008e1
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E08.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Bendtesting--metallicmaterials;Brittleness;Clipgagedisplacement;Cracking--metallicmaterials;Crack-tipopeningdisplacement(CTOD);Crossheaddisplacement;CTODvalues;C(T)specimentesting;Displacement--metals/alloys;Ductility--metals/alloys;
【摘要】:Thistestmethodcharacterizesthefracturetoughnessofmaterialsthroughthedeterminationofcrack-tipopeningdisplacement(CTOD)atoneofthreeevents:(a)onsetofunstablecrackextensionwithoutsignificantpriorstablecrackextension,or(b)onsetofunstablecrackextensionwithsignificantpriorstablecrackextension,or(c)theend-of-testaftersignificantslowstablecrackextension.ThistestmethodmayalsobeusedtocharacterizethetoughnessofmaterialsforwhichthepropertiesandthicknessofinterestprecludethedeterminationofKlcfracturetoughnessinaccordancewithTestMethodE399.ThedifferentvaluesofCTODdeterminedbythistestmethodcanbeusedtocharacterizetheresistanceofamaterialtocrackinitiationandearlycrackextensionatagiventemperature.ThevaluesofCTODmaybeaffectedbyspecimendimensions.IthasbeenshownthatvaluesofCTODdeterminedonSE(B)specimensusingthesquaresectiongeometrymaynotbethesameasthoseusingtherectangularsectiongeometry,andmaydifferfromthoseobtainedwitheithertheC(T)orA(B)specimens.ThevaluesofCTODdeterminedbythistestmethodmayservethefollowingpurposes:Inresearchanddevelopment,CTODtestingcanshowtheeffectsofcertainparametersonthefracturetoughnessofmetallicmaterialssignificanttoserviceperformance.Theseparametersincludematerialcomposition,thermo-mechanicalprocessing,welding,andthermalstressrelief.CTODtestingmaybeusedinspecificationsofacceptanceandmanufacturingqualitycontrolofbasematerials,weldmetals,andweldheataffectedzones.PreviousversionsofTestMethodE1290madeeffectiveuseofthevalueofCTODatthefirstattainmentofamaximumforceplateauforsuchpurposes.Qualitativecomparisonsofthistypecanonlybemadeifaconsistentspecimengeometryisusedandthematerialscomparedhavesimilarconstitutiveproperties.ThevalueofCTODatthefirstattainmentofamaximumforceplateauwasremovedfromthistestmethodbecauseiswasnotassociatedwithameasurementofcrackextensionandthereforecannotbeconsideredameasurementoffracturetoughness.Thex03B4;eotvaluemaybeusedinplaceofthevalueofCTODatthefirstattainmentofamaximumforceplateauforqualitycontrolandspecifications.Thex03B4;candx03B4;eotvaluesfromCTODtestingcanbeusedforinspectionandflawassessmentcriteria,whenusedinconjunctionwithotherstandardssuchasTestMethodsE1921andE1820andinformedfracturemechanicsanalyses.Awarenessofdifferencesthatmayexistbetweenlaboratorytestandfieldconditionsisrequiredtomakeproperflawassessment(see4.3and4.4).1.1Thistestmethodcoversthedeterminationofcriticalcrack-tipopeningdisplacement(CTOD)valuesatoneormoreofseveralcrackextensionevents,andmaybeusedtomeasurecleavagecrackinitiationtoughnessformaterialsthatexhibitachangefromductiletobrittlebehaviorwithdecreasingtemperature,suchasferriticsteels.Thistestmethodappliesspecificallytonotchedspecimenssharpenedbyfatiguecracking.Therecommendedspecimensarethree-pointbend[SE(B)],compact[C(T)],orarc-shapedbend[A(B)]specimens.Theloadingrateisslowandinfluencesofenvironment(otherthantemperature)arenot......
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:Aircraftbatteries;part3:externalelectricalconnectors
【原文标准名称】:飞机用蓄电池组第3部分:外部电连接器
【标准号】:IEC60952-3-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC21
【标准类型】:()
【标准水平】:()
【中文主题词】:飞行器;蓄电池组;电气工程;管接头;航空工程;蓄电池连接电缆;飞行器;电池装置
【英文主题词】:
【摘要】:
【中国标准分类号】:V40
【国际标准分类号】:49_060
【页数】:11P;A4
【正文语种】:英语
