ASTM D4920-2008 环境负荷,化学和热性能相关标准术语

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【英文标准名称】:StandardTerminologyRelatingtoConditioning,Chemical,andThermalProperties
【原文标准名称】:环境负荷,化学和热性能相关标准术语
【标准号】:ASTMD4920-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D13.51
【标准类型】:(Terminology)
【标准水平】:()
【中文主题词】:
【英文主题词】:Absorption--textiles;Humidity;Knittedtextilefabrics;Moistureanalysis--textilefabrics/fibers;Terminology--textilematerials/applications;Textilefabrics(general);Textilefibers;Woventextilefabrics
【摘要】:1.1Thisstandardisthecompilationofdefinitionoftechnicaltermsrelatedtoconditioning,chemical,andthermalpropertiesintextiles.Termsthataregenerallyunderstoodoradequatelydefinedinotherreadilyavailablesourcesarenotincluded.1.2ForotherASTMdefinedconditioningterms,refertoTerminologyE41.Forothertermsassociatedwithtextiles,refertoTerminologyD123,RelatingtoTextiles.
【中国标准分类号】:W55
【国际标准分类号】:01_040_59;59_080_01
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforCorrosivenessandOxidationStabilityofHydraulicOils,AircraftTurbineEngineLubricants,andOtherHighlyRefinedOils
【原文标准名称】:液压油、飞机涡轮发动机润滑油和其他高精炼油的腐蚀性和氧化稳定性的试验方法
【标准号】:ASTMD4636-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.09.0D
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:hydraulicfluid;lubricant;oxidationstability;Aircraftmaterials/applications(corrosiontesting);Aviationturbinefuels;Corrosion--petroleumproducts;Hydraulicfluids/oils;Lubricants(fluid);Oxidativestability;Petroleumproducts;Refinedoil
【摘要】:Thistestmethodsimulatestheenvironmentencounteredbyfullyformulatedlubricatingfluidsinactualserviceandusesanacceleratedoxidationratetopermitmeasurableresultstobeobtainedinareasonabletime.Theuseofmetalsprovidescatalyticreactivesurfacesofthosematerialscommonlyfoundinrealsystems.Thehightemperatureandairagitationhelpacceleratetheoxidationreactionsthatareexpectedtooccur.Moistureintheairaddsanotherrealisticconditionthatencouragesoilbreakdownbyfacilitatingacidformation.Interpretationofresultsshouldbedonebycomparisonwithdatafromoilsofknownfieldperformance.Theacceleratedconditionslikelywillcauseoneormoreofthefollowingmeasurableeffects:masschangeandcorrodedappearanceofsomemetals;changeofviscosity;increaseinacidnumber;measurablereactionproductsintheformofsludge;andmasslossofoilduetoevaporation.Thistestmethodismostsuitableforoilscontainingoxidationandcorrosioninhibitors.Withoutsuchingredient(s),theseveretestconditionswillyieldratherdrasticchangestotheoil.1.1Thistestmethodcoversthetestingofhydraulicoils,aircraftturbineenginelubricants,andotherhighlyrefinedoilstodeterminetheirresistancetooxidationandcorrosiondegradationandtheirtendencytocorrodevariousmetals.Petroleumandsyntheticfluidsmaybeevaluatedusingmoistordryairwithorwithoutmetaltestspecimens.1.2Thistestmethodconsistsofastandardtestprocedure,analternativeProcedure1,andanalternativeProcedure2.Astherearevariationspossiblewiththistestmethod,itwillbeuptotheparticularspecificationtoestablishtheconditionsrequired.Inadditiontotemperature,thevariablestospecifyifotherthanthoseofthestandardprocedureoralternativeProcedure1or2are:testtime,airflowandhumidity,samplefrequency,testfluidquantity,andmetalspecimen(s).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Exception8212;Thevaluesinparenthesesinsomeofthefiguresareprovidedforinformationonlyforthoseusingoldequipmentbasedonnon-SIunits.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:10P.;A4
【正文语种】:英语


基本信息
标准名称:局部空调补气车技术条件
中标分类:
替代情况:被QJ 1858A-1996替代
发布日期:1990-01-13
实施日期:1991-07-01
首发日期:
作废日期:1996-08-30
出版日期:
页数:17页
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