DIN 51048 T.1-1980 陶瓷原材料的检验.高温下耐火制品抗弯强度的测定(HBF)

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下一篇: DIN 51048 T.2-1980 陶瓷原材料的检验.室温下耐火制品抗弯强度的测定

【英文标准名称】:StandardGuideforDeterminingFrictionEnergyDissipationinReciprocatingTribosystems
【原文标准名称】:测定往复运动摩擦系统中的摩擦能耗散的标准指南
【标准号】:ASTMG203-2010
【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】:G02.50
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:friction;frictioncoefficient;frictionenergy
【摘要】:Manyslidingsystemsexhibitintermittenthighfrictionforceexcursionscomparedtocompetingtribosystems.However,wherefrictionforcesorfrictioncoefficientsareaveraged,thetestdatamayshowthatthetwosystemshavethesamefrictioncharacteristics,wheninfacttheywerenotthesame;therewasafrictionx201C;problemx201D;intheonewiththeperiodicaberrations.TheFEDtakesintoaccountallfrictionforcesthatoccurinthetestincrement.Itisallofthefrictionenergythatthecoupledissipatedinthedesignatedtestduration.Itcapturesthefrictionprofileofasysteminasinglenumberthatcanbeusedtoscreencandidatecouplesforfrictioncharacteristics.Ifthefrictionenergyusedinareciprocatingtribosystemisofconcernthismetricalongwiththefrictionrecording,averagecoefficientoffriction,andstandarddeviationoftheforcereadings,producesthemostmeaningfuldata.Itisametricoftheenergylossinatribosystem.1.1Thisguidecoversandisintendedforuseininterpretingthefrictionforcesrecordedinreciprocatingtribosystems.Theguideappliestoanyreciprocatingtribosystem,whetheritisawearorfrettingtestoranactualmachineordevice.1.2nbsp;nbsp;nbsp;TheenergydissipationguidewasdevelopedinanalyzingfrictionresultsintheTestMethodG133reciprocatingball-on-flattest,butitappliestootherASTMorISOreciprocatingtests.Thistechniqueisfrequentlyusedtorecordthefrictionresponseinfrettingtribosystems.1.3Specimenmaterialmayplaysomeroleintheresultsifthematerialsundertestdisplayviscoelasticbehavior.Thisguideaswrittenisformetals,plastics,andceramicsthatdonotdisplayviscoelasticbehavior.Italsoappliestolubricatedandnon-lubricatedcontacts.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J21
【国际标准分类号】:21_260
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries-Sphericalplainbearingsincorrosionresistingsteelwithself-lubricatingliner,wideseries-Dimensionsandloads-Inchseries
【原文标准名称】:航空航天系列.带自润滑衬套的宽系列耐蚀钢制关节轴承.尺寸规格和负荷.英制尺寸系列
【标准号】:BSEN4614-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-06-30
【实施或试行日期】:2009-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;航空器部件;轴承;防腐蚀;耐腐蚀钢;尺寸规格;关节轴承;负荷;多语种的;特性;自润滑;航天运输;规范(验收);钢;表面处理;公差(测量);重量
【英文主题词】:Aerospacetransport;Airtransport;Aircraftcomponents;Bearings;Corrosion-resistant;Corrosion-resistantsteels;Dimensions;Knucklebearings;Loading;Multilingual;Properties;Self-lubricating;Spacetransport;Specification(approval);Steels;Surfacetreatment;Tolerances(measurement);Weights
【摘要】:Thisstandardspecifiesthecharacteristicsofbearings,sphericalplainwithselflubricatinglinerincorrosionresistingsteelwithself-lubricatingliner,wideseriesforaerospaceapplications.Theyareintendedforuseinfixedormovingpartsoftheaircraftstructureandcontrolmechanisms.Theyshallbeusedinthetemperaturerange–55°Cto163°C.
【中国标准分类号】:V22
【国际标准分类号】:
【页数】:16P.;A4
【正文语种】:英语