SAE AMS6905 Titanium Alloy Bars, Forgings and Forging Stock 6.0al 2.0sn 4.0zr 2.0mo Duplex Annealed
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来源:标准资料网
Product Code:SAE AMS6905
Title:Titanium Alloy Bars, Forgings and Forging Stock 6.0al 2.0sn 4.0zr 2.0mo Duplex Annealed
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a titanium alloy in the form of bars, forgings, and stock for forging.
【英文标准名称】:StandardPracticeforCharacterizingNeutronFluenceSpectrainTermsofanEquivalentMonoenergeticNeutronFluenceforRadiation-HardnessTestingofElectronics
【原文标准名称】:确定电子辐射强度试验用等效单能级中子流量的能级中中子流量能谱的特征的标准实施规程
【标准号】:ASTME722-2009e1
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:E10.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:displacementdamage;electronichardness;galliumarsenide;hardnessparameter;silicon;silicondamage;siliconequivalentdamage(SED);1&x2013;MeVequivalentfluence;Displacement--electronicmaterials/applications;
【摘要】:Thispracticeisimportantincharacterizingtheradiationhardnessofelectronicdevicesirradiatedbyneutrons.Thischaracterizationmakesitfeasibletopredictsomechangesinoperationalpropertiesofirradiatedsemiconductordevicesorelectronicsystems.Tofacilitateuniformityoftheinterpretationandevaluationofresultsofirradiationsbysourcesofdifferentfluencespectra,itisconvenienttoreducetheincidentneutronfluencefromasourcetoasingleparameterx2014;anequivalentmonoenergeticneutronfluencex2014;applicabletoaparticularsemiconductormaterial.Inordertodetermineanequivalentmonoenergeticneutronfluence,itisnecessarytoevaluatethedisplacementdamageoftheparticularsemiconductormaterial.Ideally,thisquantityiscorrelatedtothedegradationofaspecificfunctionalperformanceparameter(suchascurrentgain)ofthesemiconductordeviceorsystembeingtested.However,thiscorrelationhasnotbeenestablishedunequivocallyforalldevicetypesandperformanceparameterssince,inmanyinstances,othereffectsalsocanbeimportant.Ionizationeffectsproducedbytheincidentneutronfluenceorbygammaraysinamixedneutronfluence,short-termandlong-termannealing,andotherfactorscancontributetoobservedperformancedegradation(damage).Thus,cautionshouldbeexercisedinmakingacorrelationbetweencalculateddisplacementdamageandperformancedegradationofagivenelectronicdevice.Thetypesofdevicesforwhichthiscorrelationisapplicable,andnumericalevaluationofdisplacementdamagearediscussedintheannexes.Theconceptof1-MeVequivalentfluenceiswidelyusedintheradiation-hardnesstestingcommunity.Ithasmeritsanddisadvantagesthathavebeendebatedwidely(9-12).Forthesereasons,specificsofastandardapplicationofthe1-MeVequivalentfluencearepresentedintheannexes.1.1Thispracticecoversproceduresforcharacterizingneutronfluencefromasourceintermsofanequivalentmonoenergeticneutronfluence.Itisapplicabletoneutroneffectstesting,tothedevelopmentoftestspecifications,andtothecharacterizationofneutrontestenvironments.Thesourcesmayhaveabroadneutron-energyrange,ormaybemono-energeticneutronsourceswithenergiesupto20MeV.Thispracticeisnotapplicableincaseswherethepredominantsourceofdisplacementdamageisfromneutronsofenergylessthan10keV.Therelevantequivalenceisintermsofaspecifiedeffectoncertainphysicalpropertiesofmaterialsuponwhichthesourcespectrumisincident.Inordertoachievethis,knowledgeoftheeffectsofneutronsasafunctionofenergyonthespecificpropertyofthematerialofinterestisrequired.Sharpvariationsintheeffectswithneutronenergymaylimittheusefulnessofthispracticeinthecaseofmono-energeticsources.1.2Thispracticeispresentedinamannertobeofgeneralapplicationtoavarietyofmaterialsandsources.Correlationbetweendisplacements(1-3)causedbydifferentparticles(electrons,neutrons,protons,andheavyions)isbeyondthescopeofthispractice.Inradiation-hardnesstestingofelectronicsemiconductordevices,specificmaterialsofinterestincludesiliconandgalliumarsenide,andtheneutronsourcesgenerallyaretestandresearchreactorsandcalifornium-252irradiators.1.3Thetechniqueinvolvedreliesonthefollowingfactors:(1)adetaileddeterminationofthefluencespectrumoftheneutronsource,and(2)aknowledgeofthedegradation(damage)effectsofneutronsasafunctionofenergyonspecificmaterialproperties.1.4Thedetaileddeterminationoft......
【中国标准分类号】:A58
【国际标准分类号】:31_080_01
【页数】:27P.;A4
【正文语种】:英语
【英文标准名称】:Specificationandqualificationofweldingproceduresformetallicmaterials-Weldingproceduretest-Arcandgasweldingofcopperanditsalloys
【原文标准名称】:金属材料焊接程序的规范和合格鉴定.焊接程序试验.铜及其合金的弧焊和气焊
【标准号】:BSENISO15614-6-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-04-28
【实施或试行日期】:2006-04-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:验收;认可;认可试验;电弧焊接;铸造材料;铜;铜合金;熔焊;气体保护钨极电弧焊;气焊;惰性气体铠装弧焊;可锻材料;材料;金属焊接;金属材料;等离子电弧焊;合格;规范(验收);试样;试验;钨;焊工;焊接;焊接工程;焊接程序规范;焊接工艺
【英文主题词】:
【摘要】:ISO15614-6:2006specifieshowapreliminaryweldingprocedurespecificationisqualifiedbyweldingproceduretests.Itappliestothearcandgasweldingofcopperandcopperalloysinallproductforms.
【中国标准分类号】:J33
【国际标准分类号】:25_160_10
【页数】:33P;A4
【正文语种】:英语
