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BS EN 12645-1999 压力量规.机动车轮胎膨胀和/或压力检验设备.计量学,要求和试验

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【英文标准名称】:Pressuregauges-Apparatusforinspectionofpressureand/orinflationoftyresformotorvehicles-Metrology,requirementsandtesting
【原文标准名称】:压力量规.机动车轮胎膨胀和/或压力检验设备.计量学,要求和试验
【标准号】:BSEN12645-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-02-15
【实施或试行日期】:1999-02-15
【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】:性能试验;作标记;试验条件;花纹(轮胎);中性盐雾试验;压力;刻度盘;误差;轮胎;跌落试验;试验设备;摩托车;压力计;气动设备;轮子;道路车辆;准确度;湿度;充气轮胎;划刻度
【英文主题词】:Atmosphericpressure;Calibration;Definition;Definitions;Inscription;Measurement,testingandinstruments;Measuringinstruments;Metrology;Motorvehicles;Operation;Pressuregauges;Pressuremeasurement(fluids);Primarycalibration;Specification(approval);Testing;Tyre-inflationpressure;Tyres
【摘要】:ThisEuropeanStandarddefinesrequirementsofpressuregaugesforinflationoftyreandtheirtestinginaccordancewith86/217/EECDirective.Itestablishesinthecontextofmotorvehiclestyres,theminimumcharacteristicsofthechainofmeasurementofmechanicalapparatusintendedtoincrease,inspectoradjustthepressureoftyresinflatedbyairornitrogen.Thisapparatusclassifiedinfourdifferentcategoriesarehereinafterreferredtobygenericterm,"pressuregauges".Thischainofmeasurementconsistsofalltheelementsbetweenthetyrevalveandthedisplaydevice(connector,hose,controldevice,measurementcomponents,etc.).Theyindicatethepressuredifference(Pe)betweentheairorthenitrogeninthetyreandtheatmosphere.Thefieldofapplicationestablishedabovecanbeextendedtootherapplicationswherenospecificstandardexists.
【中国标准分类号】:J47
【国际标准分类号】:17_100;43_180;83_160_10
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminingtheSusceptibilitytoIntergranularCorrosionof5XXXSeriesAluminumAlloysbyMassLossAfterExposuretoNitricAcid(NAMLTTest)
【原文标准名称】:用接触硝酸环境之后的重量损失来测定5XXX系列铝合金晶间腐蚀敏感性的标准试验方法(NAMLT试验)
【标准号】:ASTMG67-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:G01.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:粒间腐蚀;硝酸;灵敏性;试验;铝;磨损;测定;合金;腐蚀;金属
【英文主题词】:5xxxaluminumalloys;aluminumalloys;grainboundarysensitization;intercrystallinecorrosion;intergranularcorrosion;massloss;nitricacid;pittingcorrosion
【摘要】:ThistestmethodprovidesaquantitativemeasureofthesusceptibilitytointergranularcorrosionofAl-MgandAl-Mg-Mnalloys.Thenitricaciddissolvesasecondphase,analuminum-magnesiumintermetalliccompound(x03B2;Al-Mg),inpreferencetothesolidsolutionofmagnesiuminthealuminummatrix.Whenthiscompoundisprecipitatedinarelativelycontinuousnetworkalonggrainboundaries,theeffectofthepreferentialattackistocorrodearoundthegrains,causingthemtofallawayfromthespecimens.Suchdroppingoutofthegrainscausesrelativelylargemasslossesoftheorderof25to75mg/cm2(160to480mg/in2),whereas,samplesofintergranular-resistantmaterialsloseonlyabout1to15mg/cm2(10to100mg/in2).Whenthex03B2;Al-Mgcompoundisrandomlydistributed,thepreferentialattackcanresultinintermediatemasslosses.Metallographicexaminationisrequiredinsuchcasestoestablishwhetherornotthelossinmassistheresultofintergranularattack.Theprecipitationofthesecondphaseinthegrainboundariesalsogivesrisetointergranularcorrosionwhenthematerialisexposedtochloride-containingnaturalenvironments,suchasseacoastatmospheresorseawater.Theextenttowhichthealloywillbesusceptibletointergranularcorrosiondependsuponthedegreeofprecipitatecontinuityinthegrainboundaries.Visiblemanifestationsoftheattackmaybeinvariousformssuchaspitting,exfoliation,orstress-corrosioncracking,dependinguponthemorphologyofthegrainstructureandthepresenceofsustainedtensilestress.31.1Thistestmethoddescribesaprocedureforconstantimmersionintergranularcorrosiontestingof5XXXseriesaluminumalloys.1.2Thistestmethodisapplicableonlytowroughtproducts.1.3Thistestmethodcoverstypeofspecimen,specimenpreparation,testenvironment,andmethodofexposure.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H25
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Goodswagonsequippedwithtwowheelsets;constructionmeasuring;measuringmethodsforsetofcarryingwheels;exampleofthemeasuringprocedure1
【原文标准名称】:装配有双轮副的货车.结构的测量.对拖链轮副的测量方法.测量方法示例1
【标准号】:DIN25040-3Bb.2-1985
【标准状态】:作废
【国别】:德国
【发布日期】:1985-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:底盘;空中吊运装置;铁道车辆;机械测量;测量;调查;铁路货运车辆
【英文主题词】:Chassis;Measurement;Mechanicalmeasurement;Railwayapplications;Railwayvehicles;Railwaywagons;Railways;Surveys;Trolleyassemblies
【摘要】:
【中国标准分类号】:S33
【国际标准分类号】:45_060_20
【页数】:2P;A4
【正文语种】:德语