SAE AMS2615 Pressure Testing, Hydraulic, Pressure as Specified
作者:标准资料网 时间:2024-05-07 15:48:04 浏览:9861
来源:标准资料网
Product Code:SAE AMS2615
Title:Pressure Testing, Hydraulic, Pressure as Specified
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification provides requirements and procedures for hydraulic-pressure leak testing of parts.
【英文标准名称】:StandardPracticeforConstant-Amplitude,Axial,Tension-TensionCyclicFatigueofContinuousFiber-ReinforcedAdvancedCeramicsatAmbientTemperatures
【原文标准名称】:连续纤维增强高级陶瓷在环境温度下的恒幅轴向张力循环疲劳性能测定的标准实施规程
【标准号】:ASTMC1360-2010
【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】:C28.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:ceramicmatrixcomposite;CFCC;continuousfiberceramiccomposite;cyclicfatigue;S-Ncurve;tension-tensioncyclicfatigue;:Advancedceramics;Ceramiccomposites;CFCC(continuousfiber-reinforcedceramiccomposite);Continuousfiber-reinforcedceram
【摘要】:Thispracticemaybeusedformaterialdevelopment,materialcomparison,qualityassurance,characterization,reliabilityassessment,anddesigndatageneration.Continuousfiber-reinforcedceramicmatrixcompositesaregenerallycharacterizedbycrystallinematricesandceramicfiberreinforcements.Thesematerialsarecandidatematerialsforstructuralapplicationsrequiringhighdegreesofwearandcorrosionresistance,andhigh-temperatureinherentdamagetolerance(thatis,toughness).Inaddition,continuousfiber-reinforcedglassmatrixcompositesarecandidatematerialsforsimilarbutpossiblyless-demandingapplications.Althoughflexuraltestmethodsarecommonlyusedtoevaluatethemechanicalbehaviorofmonolithicadvancedceramics,thenon-uniformstressdistributioninaflexuraltestspecimeninadditiontodissimilarmechanicalbehaviorintensionandcompressionforCFCCsleadstoambiguityofinterpretationoftestresultsobtainedinflexureforCFCCs.Uniaxially-loadedtensiletestsprovideinformationonmechanicalbehaviorforauniformlystressedmaterial.ThecyclicfatiguebehaviorofCFCCscanhaveappreciablenon-lineareffects(forexample,slidingoffiberswithinthematrix)whichmayberelatedtotheheattransferofthespecimentothesurroundings.Changesintesttemperature,frequency,andheatremovalcanaffecttestresults.Itmaybedesirabletomeasuretheeffectsofthesevariablestomorecloselysimulateend-useconditionsforsomespecificapplication.CyclicfatiguebyitsnatureisaprobabilisticphenomenonasdiscussedinSTP91A(Ref(1))andSTP588(Ref(2)).Inaddition,thestrengthsofthebrittlematricesandfibersofCFCCsareprobabilisticinnature.Therefore,asufficientnumberoftestspecimensateachtestingconditionisrequiredforstatisticalanalysisanddesign,withguidelinesforsufficientnumbersprovidedinSTP91A(Ref(1)),STP588(Ref(2)),andPracticeE739.StudiestodeterminetheinfluenceoftestspecimenvolumeorsurfaceareaoncyclicfatiguestrengthdistributionsforCFCCshavenotbeencompleted.Themanydifferenttensiletestspecimengeometriesavailableforcyclicfatiguetestingmayresultinvariationsinthemeasuredcyclicfatiguebehaviorofaparticularmaterialduetodifferencesinthevolumeofmaterialinthegagesectionofthetestspecimens.Tensilecyclicfatiguetestsprovideinformationonthematerialresponseunderfluctuatinguniaxialtensilestresses.Uniformstressstatesarerequiredtoeffectivelyevaluateanynonlinearstress-strainbehaviorwhichmaydevelopastheresultofcumulativedamageprocesses(forexample,matrixmicrocracking,fiber/matrixdebonding,delamination,cyclicfatiguecrackgrowth,etc.)Cumulativedamageduetocyclicfatiguemaybeinfluencedbytestingmode,testingrate(relatedtofrequency),differencesbetweenmaximumandminimumforce(Rorx0391;),effectsofprocessingorcombinationsofconstituentmaterials,and/orenvironmentalinfluences(includingtestenvironmentandpre-testconditioning),orboth.Someoftheseeffectsmaybeconsequencesofstresscorrosionorsubcritical(slow)crackgrowthwhichcanbedifficulttoquantify.Otherfactorswhichmayinfluencecyclicfatiguebehaviorare:matrixorfibermaterial,voidorporositycontent,methodsoftestspecimenpreparationorfabrication,volumepercentofthereinforcement,orientationandstackingofthereinforcement,testspecimenconditioning,testenvironment,forceorstrainlimitsduringcycling,waveshapes(thatis,sinusoidal,trapezoidal,etc.),andfailuremodeoftheCFCC.Theresultsofcyclic.......
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:9P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 复合岩棉板耐火舱室 构架件 |
| 中标分类： |
船舶 >>
舾装设备 >>
舱室设备 |
| ICS分类： |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
起居舱室
|
| 替代情况： | 标龄长、技术过时。已有GB/T23913 替代。 |
| 发布日期： | 1993-01-08 |
| 实施日期： | 1993-07-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2010-01-20 |
| 出版日期： | 1900-01-01 |
| 页数： | 6页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 船舶 舾装设备 舱室设备 造船和海上建筑物 船舶和海上建筑物综合 起居舱室
