SAE AMS5694 Steel, Corrosion and Heat-Resistant, Welding Wire, 27Cr - 21.5Ni

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Product Code:SAE AMS5694
Title:Steel, Corrosion and Heat-Resistant, Welding Wire, 27Cr - 21.5Ni
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant steel in the form of welding wire.

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【英文标准名称】:StandardTestMethodforDynamicTearTestingofMetallicMaterials
【原文标准名称】:金属材料的动态断裂试验方法
【标准号】:ASTME604-1983(2002)
【标准状态】:现行
【国别】:
【发布日期】:1983
【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】:E28.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:金属;试验;扯裂试验;动态试验;机械试验
【英文主题词】:pressed-knife;hardness;metallic;dynamictear
【摘要】:TheDTenergyvalueisameasureofresistancetorapidprogressivefracturing.Inanumberofapplications,theenhancedresistancethatmaydevelopduringaboutoneplatethicknessofcrackextensionfromasharpnotchisofmajorinterest.Inthetestmethod,asufficientlylongfracturepathisprovidedsothattheresultsserveasameasureofthisproperty.Fracturesurfacesofnonausteniticsteelstestedintheirtemperaturetransitionregionhaveareasthatappearbrightandareasthatappeardull.Thebright,facetedappearingareasaretermedx201C;cleavagex201D;fracture,andthedullappearingareasaretermedx201C;shearx201D;fractureaftertheirrespectivemodeoffractureonamicroscale.Thistestmethodcanservethefollowingpurposes:5.3.1Inresearchanddevelopment,toevaluatetheeffectsofmetallurgicalvariablessuchascomposition,processing,orheattreatment,oroffabricatingoperationssuchasformingandweldingonthedynamictearfractureresistanceofneworexistingmaterials.5.3.2Inserviceevaluation,toestablishthesuitabilityofamaterialforaspecificapplicationonlywhereacorrelationbetweenDTenergyandserviceperformancehasbeenestablished.45.3.3Forinformation,specificationsofacceptance,andmanufacturingqualitycontrolwhenaminimumDTenergyisrequested.Detaileddiscussionofthebasisfordeterminingsuchminimumvaluesinaparticularcaseisbeyondthescopeofthistestmethod.1.1Thistestmethodcoversthedynamictear(DT)testusingspecimensthatare3/16in.to5/8in.(5mmto16mm)inclusiveinthickness.1.2Thistestmethodisapplicabletomaterialswithaminimumthicknessof3/16in.(5mm).1.3Thepressed-knifeproceduredescribedforsharpeningthenotchtipgenerallylimitsthistestmethodtomaterialswithahardnesslevellessthan36HRC.Note18212;Thedesignation36HRCisaRockwellhardnessnumberof36onRockwellCscaleasdefinedinTestMethodsE18.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:8P.;A4
【正文语种】:

Product Code:SAE AS509
Title:Terminology Guide For Aircraft Gas Turbine Engines (Cancelled Jul 2002)
Issuing Committee:Age-2d Packaging, Handling And Transportability Committee
Scope: