【英文标准名称】:StandardTestMethodforCreepPropertiesofAdhesivesinShearbyTensionLoading(Metal-to-Metal)
【原文标准名称】:用拉力负荷法测定金属之间胶粘剂蠕变性能的标准试验方法
【标准号】:ASTMD2294-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D14.80
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:creep;metal-to-metalbonds;shearbytensionloading;Creep--adhesives;Tensileproperties/testing--adhesivebonds;Metallicadhesives;Metal-to-metalcontact
【摘要】:Thistestmethodisusefulinresearchanddevelopmentforcomparisonofcreeppropertiesofadhesives,particularlyasthosepropertiesareaffectedbychangesinadhesiveformulationorexpectedserviceconditions,includingtemperature,moisturelevel,anddurationofloading.Therelativesizeandsimplicityofdesignofthespring-loadedapparatuspermitseasyportabilityandtransferfromoneenvironmenttothenextwithoutdisturbingstaticloads.Therelativesimplicityofdesignwithinexpensivematerialspermitsreplicationofcreeptestsatrelativelylowcosts.1.1Thistestmethodcoversthedeterminationofthecreeppropertiesofadhesivesforbondingmetalswhentestedonastandardspecimenandsubjectedtocertainconditionsoftemperatureandtensilestressinaspring-loadedtestingapparatus.1.2Thistestmethodisapplicabletothetemperaturerangefromx2212;55to+260x00B0;C(x2212;67to+500x00B0;F).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:Insulatingliquids-Determinationofacidity-Colourimetrictitration
【原文标准名称】:绝缘液体.酸度的测定.比色滴定法
【标准号】:BSEN62021-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【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】:酸含量;酸度;酸;比色的;色度特征;色度量度;定义;测定;测量规程;电气工程;电绝缘材料;电绝缘装置;绝缘液体;绝缘材料;绝缘油;液体电绝缘材料;矿物油;试验;滴定法
【英文主题词】:Acidcontent;Acidity;Acids;Colorimetric;Colorimetriccharacteristics;Colorimetricmeasures;Colourimetricmeasures;Definition;Definitions;Determination;Determinationprocedures;Electricalengineering;Electricalinsulatingmaterials;Electricalinsulationdevices;Insulatingliquids;Insulatingmaterials;Insulatingoils;Liquidelectricalinsulatingmaterials;Mineraloils;Testing;Titration
【摘要】:ThispartofIEC62021describesaprocedurefordeterminationoftheacidityofunusedandusedelectricalmineralinsulatingoils.NOTE1Inunusedandusedmineralinsulatingoils,theconstituentsthatmaybeconsideredtohaveacidiccharacteristicsincludeorganicacids,phenoliccompounds,someoxidationproducts,resins,organometallicsaltsandadditives.Themethodmaybeusedtoindicaterelativechangesthatoccurinamineralinsulatingoilduringuseunderoxidizingconditionsthatmayormaynotbeshownbyotherpropertiesoftheresultingmineraloil.Theaciditycanbeusedinthequalitycontrolofunusedmineraloil.Asavarietyofoxidationproductspresentinusedmineraloilcontributetoacidityandtheseproductsvarywidelyintheircorrosionproperties,thetestcannotbeusedtopredictcorrosivenessofamineraloilunderserviceconditions.NOTE2Theacidityresultsobtainedbythistestmethodmayormaynotbenumericallythesameasthoseobtainedbypotentiometricmethods,buttheyaregenerallyofthesamemagnitude.ThepotentiometricmethodusesanendpointatpH11,3toensuretitrationofallspecies,whereasthecolourimetricmethodsusesanindicatorchangingcolouratapproximatelypH9,5.Thismayleadtoslightlyhigherresultsforoilswithaciditiesabove0,3mgKOH/goilwhenusingthepotentiometricmethod.
【中国标准分类号】:E38
【国际标准分类号】:29_040_10
【页数】:20P.;A4
【正文语种】:英语