ISO 6336-1 Technical Corrigendum 2-1999 直齿轮和斜齿轮承载能力的计算第1部分:基本原则、引言和一般影响因素技术勘误2
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【英文标准名称】:Calculationofloadcapacityofspurandhelicalgears-Part1:Basicprinciples,introductionandgeneralinfluencefactors;TechnicalCorrigendum2
【原文标准名称】:直齿轮和斜齿轮承载能力的计算第1部分:基本原则、引言和一般影响因素技术勘误2
【标准号】:ISO6336-1TechnicalCorrigendum2-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-09
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC60
【标准类型】:()
【标准水平】:()
【中文主题词】:影响因素;荷载能力;负载能力的计算;斜齿轮;圆柱齿轮;齿轮;正齿轮
【英文主题词】:Calculationofloadcapacity;Cylindricalgears;Gearwheels;Helicalgears;Influencefactors;Loadcapacity;Spurgear
【摘要】:
【中国标准分类号】:J17
【国际标准分类号】:21_200
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:NeedlePenetrationofPetroleumWaxes,MethodofTestfor(05.01,15.09)
【原文标准名称】:石油蜡的针入度试验方法
【标准号】:ANSI/ASTMD1321-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;石蜡;试验
【英文主题词】:Bituminousmaterials;Needlepenetration;Needles;Paraffine;Petroleum;Petroleumproducts;Testing;Tests;Waxes
【摘要】:Thistestmethodcoverstheempiricalestimationoftheconsistencyofwaxesderivedfrompetroleumbymeasurementoftheextentofpenetrationofastandardneedle.Thistestmethodisapplicabletowaxeshavingapenetrationofnotgreaterthan250.Note1-Thistestmethodissimilartotheneedlemethodfordeterminingthepenetrationofbituminousmaterial,TestMethodD5.ConemethodsapplicabletogreasesandtopetrolatumaredescribedinTestMethodsD217andTestMethodD937,respectively.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E42
【国际标准分类号】:75_140
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforTensileStrengthofMonolithicAdvancedCeramicsatAmbientTemperatures
【原文标准名称】:室温下单片高级陶瓷抗拉强度的标准试验方法
【标准号】:ASTMC1273-2005(2010)
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:C28.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:高级陶瓷;百分比弯曲度;抗拉强度;抗拉试验
【英文主题词】:advancedceramic;percentbending;tensilestrength;tensiletesting
【摘要】:Thistestmethodmaybeusedformaterialdevelopment,materialcomparison,qualityassurance,characterization,anddesigndatageneration.Highstrength,monolithicadvancedceramicmaterialsgenerallycharacterizedbysmallgrainsizes(x003C;50x03BC;m)andbulkdensitiesnearthetheoreticaldensityarecandidatesforload-bearingstructuralapplicationsrequiringhighdegreesofwearandcorrosionresistance,andhightemperaturestrength.Althoughflexuraltestmethodsarecommonlyusedtoevaluatestrengthofadvancedceramics,thenon-uniformstressdistributionoftheflexuretestspecimenlimitsthevolumeofmaterialsubjectedtothemaximumappliedstressatfracture.Uniaxially-loadedtensilestrengthtestsprovideinformationonstrength-limitingflawsfromagreatervolumeofuniformlystressedmaterial.Althoughthevolumeorsurfaceareaofmaterialsubjectedtoauniformtensilestressforasingleuniaxially-loadedtensiletestmaybeseveraltimesthatofasingleflexuretestspecimen,theneedtotestastatisticallysignificantnumberoftensiletestspecimensisnotobviated.Therefore,becauseoftheprobabilisticstrengthdistributionsofbrittlematerialssuchasadvancedceramics,asufficientnumberoftestspecimensateachtestingconditionisrequiredforstatisticalanalysisandeventualdesign,withguidelinesforsufficientnumbersprovidedinthistestmethod.Notethatsize-scalingeffectsasdiscussedinPracticeC1239willaffectthestrengthvalues.Therefore,strengthsobtainedusingdifferentrecommendedtensiletestspecimenswithdifferentvolumesorsurfaceareasofmaterialinthegagesectionswillbedifferentduetothesesizedifferences.ResultingstrengthvaluescanbescaledtoaneffectivevolumeorsurfaceareaofunityasdiscussedinPracticeC1239.Tensiletestsprovideinformationonthestrengthanddeformationofmaterialsunderuniaxialtensilestresses.Uniformstressstatesarerequiredtoeffectivelyevaluateanynon-linearstress-strainbehaviorwhichmaydevelopastheresultoftestingmode,testingrate,processingoralloyingeffects,orenvironmentalinfluences.Theseeffectsmaybeconsequencesofstresscorrosionorsubcritical(slow)crackgrowthwhichcanbeminimizedbytestingatappropriatelyrapidratesasoutlinedinthistestmethod.Theresultsoftensiletestsoftestspecimensfabricatedtostandardizeddimensionsfromaparticularmaterialorselectedportions,orboth,ofapartmaynottotallyrepresentthestrengthanddeformationpropertiesoftheentire,full-sizeendproductoritsin-servicebehaviorindifferentenvironments.Forqualitycontrolpurposes,resultsderivedfromstandardizedtensiletestspecimenscanbeconsideredtobeindicativeoftheresponseofthematerialfromwhichtheyweretakenforgivenprimaryprocessingconditionsandpost-processingheattreatments.Thetensilestrengthofaceramicmaterialisdependentonbothitsinherentresistancetofractureandthepresenceofflaws.Analysisoffracturesurfacesandfractography,thoughbeyondthescopeofthistestmethod,ishighlyrecommendedforallpurposes,especiallyfordesigndata.1.1Thistestmethodcoversthedeterminationoftensilestrengthunderuniaxialloadingofmonolithicadvancedceramicsatambienttemperatures.Thistestmethodaddresses,butisnotrestrictedto,varioussuggestedtestspecimengeometriesaslistedintheappendix.Inaddition,testspecimenfabricationmethods,testingmodes(force,displacement,orstraincontrol),testingrates(forcerate,stressrate,displacementrate,ors......
【中国标准分类号】:
【国际标准分类号】:81_060_99
【页数】:18P.;A4
【正文语种】:
