【英文标准名称】:Paperandboard;determinatinoftensileproperties;part1:constantrateofloadingmethod
【原文标准名称】:纸和纸板抗张强度的测定第1部分:恒速加荷法
【标准号】:ISO1924-1-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-10
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC6
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;抗弯强度;纸板;弯曲试验;纸;数学计算
【英文主题词】:paper;mathematicalcalculations;bendingstrength;testing;board(paper);bendtesting
【摘要】:
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【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】:ASTMD4636-1999(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:重量损失;氧化试验;污泥;润滑剂;湿度;液压液;稳定性;氧化稳定性;试验;试验;石油;润滑液;飞机涡轮发动机;飞机涡轮发动机润滑油;飞机涡轮发动机;航空润滑油;油重量损失;其他高精炼油;精炼油;合成液体;涡轮机油;腐蚀作用;腐蚀;石油产品;涡轮机;气体分析;粘度;酸值;加速老化;水
【英文主题词】:hydraulicfluid;lubricant;oxidationstability
【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.Thevaluesinparenthesesareforinformationonly.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】: