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NF T60-505-1987 润滑剂、工业润滑油及相关产品(L类).分类.第8部分:R系列(暂时性防腐)

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【英文标准名称】:Lubricants,industrialoilsandrelatedproducts(classL).Classification.Part8:familyR(temporaryprotectionagainstcorrosion).
【原文标准名称】:润滑剂、工业润滑油及相关产品(L类).分类.第8部分:R系列(暂时性防腐)
【标准号】:NFT60-505-1987
【标准状态】:现行
【国别】:法国
【发布日期】:1987-08-01
【实施或试行日期】:1987-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分类系统;防腐蚀;分类;石油产品;润滑剂;润滑脂
【英文主题词】:Classification;Classificationsystems;Corrosionprotection;Grease;Greases;Lubricants;Petroleumproducts
【摘要】:
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:3P;A4
【正文语种】:其他


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基本信息
标准名称:农用运输车 自由加速烟度限值
英文名称:Limits for smoke at free acceleration from agricultural vehicles
中标分类: 车辆 >> 专用汽车 >> 农、牧、副、渔用汽车
ICS分类: 农业 >> 农业机械、工具和设备
替代情况:被GB 18322-2002代替
发布部门:国家质量技术监督局
发布日期:2001-03-21
实施日期:2001-06-01
首发日期:1900-01-01
作废日期:2002-07-01
归口单位:全国农用运输车标准化技术委员会
起草单位:全国农用运输车标准化技术委员会
出版日期:1900-01-01
页数:2页
适用范围

本标准规定了农用运输车在自由加速工况下排气烟度限值。本标准适用于农用运输车。

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所属分类: 车辆 专用汽车 农 牧 副 渔用汽车 农业 农业机械 工具和设备
【英文标准名称】:StandardTestMethodforElevatedTemperatureTensileCreepStrain,CreepStrainRate,andCreepTime-to-FailureforAdvancedMonolithicCeramics
【原文标准名称】:高级单片陶瓷的高温抗拉蠕变应变,蠕变应变率及蠕变断裂时间的标准试验方法
【标准号】:ASTMC1291-2000a(2010)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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;蠕变;整体式陶瓷;拉伸
【英文主题词】:advancedceramics;creep;monolithicceramics;tensile
【摘要】:Creeptestsmeasurethetime-dependentdeformationunderloadatagiventemperature,and,byimplication,theload-carryingcapabilityofthematerialforlimiteddeformations.Creep-rupturetests,properlyinterpreted,provideameasureoftheload-carryingcapabilityofthematerialasafunctionoftimeandtemperature.Thetwotestscomplimenteachotherindefiningtheload-carryingcapabilityofamaterialforagivenperiodoftime.Inselectingmaterialsanddesigningpartsforserviceatelevatedtemperatures,thetypeoftestdatausedwilldependonthecriteriaforload-carryingcapabilitythatbestdefinestheserviceusefulnessofthematerial.Thistestmethodmaybeusedformaterialdevelopment,qualityassurance,characterization,anddesigndatageneration.High-strength,monolithicceramicmaterials,generallycharacterizedbysmallgrainsizes(x003C;50x03BC;m)andbulkdensitiesneartheirtheoreticaldensity,arecandidatesforload-bearingstructuralapplicationsatelevatedtemperatures.Theseapplicationsinvolvecomponentssuchasturbinebladeswhicharesubjectedtostressgradientsandmultiaxialstresses.Dataobtainedfordesignandpredictivepurposesshouldbeobtainedusinganyappropriatecombinationoftestmethodsthatprovidethemostrelevantinformationfortheapplicationsbeingconsidered.Itisnotedherethatceramicmaterialstendtocreepmorerapidlyintensionthanincompression(1,2,3).Thisdifferenceresultsintime-dependentchangesinthestressdistributionandthepositionoftheneutralaxiswhentestsareconductedinflexure.Asaconsequence,deconvolutionofflexuralcreepdatatoobtaintheconstitutiveequationsneededfordesigncannotbeachievedwithoutsomedegreeofuncertaintyconcerningtheformofthecreepequations,andthemagnitudeofthecreeprateintensionvis-a-visthecreeprateincompression.Therefore,creepdatafordesignandlifepredictionshouldbeobtainedinbothtensionandcompression,aswellastheexpectedservicestressstate.1.1Thistestmethodcoversthedeterminationoftensilecreepstrain,creepstrainrate,andcreeptime-to-failureforadvancedmonolithicceramicsatelevatedtemperatures,typicallybetween1073and2073K.Avarietyofspecimengeometriesareincluded.Thecreepstrainatafixedtemperatureisevaluatedfromdirectmeasurementsofthegagelengthextensionoverthetimeofthetest.Theminimumcreepstrainrate,whichmaybeinvariantwithtime,isevaluatedasafunctionoftemperatureandappliedstress.Creeptime-to-failureisalsoincludedinthistestmethod.1.2Thistestmethodisforusewithadvancedceramicsthatbehaveasmacroscopicallyisotropic,homogeneous,continuousmaterials.Whilethistestmethodisintendedforuseonmonolithicceramics,whisker-orparticle-reinforcedcompositeceramicsaswellaslow-volume-fractiondiscontinuousfiber-reinforcedcompositeceramicsmayalsomeetthesemacroscopicbehaviorassumptions.Continuousfiber-reinforcedceramiccomposites(CFCCs)donotbehaveasmacroscopicallyisotropic,homogeneous,continuousmaterials,andapplicationofthistestmethodtothesematerialsisnotrecommended.1.3ThevaluesinSIunitsaretoberegardedasthestandard(see).1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:81_060_99
【页数】:15P.;A4
【正文语种】: