ANSI/ASTM D5846-2002 液压流体和涡轮机油的一般氧化试验方法

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【英文标准名称】:Weldingconsumables-Wireelectrodes,wiresandrodsforarcweldingofcreep-resistingsteels-Classification
【原文标准名称】:焊接消耗品.耐蠕变钢电弧焊用金属线电极,金属线和杆.分级
【标准号】:BSEN12070-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-01-15
【实施或试行日期】:2000-01-15
【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】:含量测定;试验条件;气体保护钨极电弧焊;熔化电焊条;电焊条;焊条;蠕变;成份允差;电阻;机械试验;材料的机械性能;化学成分;钢;金属线;电焊;名称与符号;电弧焊接;棒材;分类系统;符号;抗拉试验;化学分析和试验
【英文主题词】:
【摘要】:Thisstandardspecifiesrequirementsforclassificationofwireelectrodes,wiresandrodsforgastungstenarcwelding,gasshieldedmetalarcweldingandsubmergedarcweldingofcreep-resistingandlowalloyelevatedtemperaturesteels.Theclassificationofthewireelectrodes,wiresandrodsisbasedontheirchemicalcomposition.
【中国标准分类号】:J33
【国际标准分类号】:25_160_20
【页数】:9P;A4
【正文语种】:英语


【英文标准名称】:TestMethodforSonicShearStabilityofPolymer-ContainingOils
【原文标准名称】:含油聚合物的声波切变稳定性试验方法
【标准号】:ASTMD2603-2001(2007)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:石油产品;试验
【英文主题词】:shearstability;sonicsheartest;viscositystable
【摘要】:Thistestmethodpermitstheevaluationofshearstabilitywithminimuminterferencefromthermalandoxidativefactorswhichmaybepresentinsomeapplications.Withinthelimitationsexpressedinthescopeofthistestmethod,ithasbeensuccessfullyappliedtohydraulicfluids,transmissionfluids,tractorfluids,andotherfluidsofsimilarapplications.Ithasbeenfoundapplicabletofluidscontainingbothreadilyshearedandshear-resistantpolymers.Correlationwithperformanceinthecaseofautomotiveengineapplicationshas,todate,notbeenestablished.1.1Thistestmethodcoverstheevaluationoftheshearstabilityofanoilcontainingpolymerintermsofthepermanentlossinviscositythatresultsfromirradiatingasampleoftheoilinasonicoscillator.Thistestmethodcanbeusefulinpredictingthecontinuityofthispropertyinanoilwherenochangeismadeinthebasestockorthepolymer.Itisnotintendedthatthistestmethodservetopredicttheperformanceofpolymer-containingoilsinservice.1.2Evidencehasbeenpresentedthatcorrelationbetweenthesheardegradationresultsobtainedbymeansofsonicoscillationandthoseobtainedinmechanicaldevicescanbepoor.Thisisespeciallytrueinthecaseofautomotiveengines.Furtherevidenceindicatesthatthesonictechniquemayratedifferentfamiliesofpolymersinadifferentorderthanmechanicaldevices.,1.3Becauseoftheselimitations,thecommitteeunderwhosejurisdictionthistestmethodfallshasdevelopedanalternativesheartestmethodusingadieselinjectornozzle,TestMethodD3945.Whilethattestmethodhasfoundsomeutilityintheevaluationofcrankcaseoils,thestressimpartedtothesamplehasbeenfoundtobeinsufficienttoshearpolymersoftheshear-resistanttypefoundinaircrafthydraulicfluids.1.4Thistestmethodisusedforpolymericadditivespecifications,especiallyinthehydraulicfluidmarket.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationalpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:75_100
【页数】:3P.;A4
【正文语种】: