ISO 6914-2008 硫化或热塑性橡胶.用拉伸中应力松弛测量法测定老化特性
时间:2024-05-16 04:37:56 来源: 标准资料网 作者：标准资料网 阅读：9328
【英文标准名称】:Rubber,vulcanizedorthermoplastic-Determinationofageingcharacteristicsbymeasurementofstressrelaxationintension
【原文标准名称】:硫化或热塑性橡胶.用拉伸中应力松弛测量法测定老化特性
【标准号】:ISO6914-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:老化;测定;弹性体;延伸;测量;测量技术;机械测试;橡胶;应力松弛;测试;测试条件;热塑性聚合物;硫化橡胶
【英文主题词】:Ageing(materials);Determination;Elastomers;Elongation;Measurement;Measuringtechniques;Mechanicaltesting;Rubber;Stressrelaxation;Testing;Testingconditions;Thermoplasticpolymers;Vulcanizedrubber
【摘要】:ThisInternationalStandarddescribesthreemethodsforthemeasurementofthechangeofstressinatestpieceatagivenelongationforthepurposeofdeterminingtheageingcharacteristicsofarubber.-MethodAisintendedformeasurementundercontinuousstrainconditions.-MethodBisthepreferredmethodformeasurementunderintermittentstrainconditions.InthecaseofbothmethodsAandB,astressrelaxometerisusedtorecordthestressatthetemperatureofageing.--MethodCisanalternativetomethodBformeasurementunderintermittentstrainconditionsinwhichthetestpieceisremovedfromtheageingenvironmentformeasurementofthestressatstandardlaboratorytemperature.ThenecessarycalibrationscheduleforthistypeofmeasurementisgiveninAnnexA.Measurementsatasingleelevatedageingtemperaturecanbeusedforqualitycontrolpurposesasameasureofheat-ageingresistance.Measurementsatanumberoftemperaturescanbeusedforresearchanddevelopmentpurposestoestimatelong-termageingcharacteristicsinaccordancewiththeproceduresdescribedinISO11346.Noagreementbetweenthethreemethodsshouldbeinferred.Themethodusedwilldependonthepurposeofthetest.
【中国标准分类号】:G34
【国际标准分类号】:83_060
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:Roadvehicles-Compressednaturalgas(CNG)fuelsystemcomponents-Part16:Rigidfuelline
【原文标准名称】:道路车辆压缩天然气(CNG)燃料系统部件第16部分:硬质燃料管线
【标准号】:ISO15500-16-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC22
【标准类型】:()
【标准水平】:()
【中文主题词】:道路车辆;机动车燃料;装填填料装置;刚性管;发动机燃料系统;加添油装置;天然气;燃料软管;加添油;刚性;加燃料油;摩托车;燃料管
【英文主题词】:fillingdevices;rigid;refuelling;naturalgas;fuelhose;fuelpipe;rigidpipes;enginefuelsystems;automotivefuels;fuelling;motorcars;refuellinginstallation;motorvehicles;roadvehicles
【摘要】:ThispartofISO15500specifiestestsandrequirementsfortherigidfuelline,acompressednaturalgasfuelsystemcomponentinaccordancewithISO1127intendedforuseonthetypesofmotorvehiclesdefinedinISO3833.ThispartofISO15500isapplicabletovehiclesusingnaturalgasinaccordancewithISO15403(mono-fuel,bi-fuelordual-fuelapplications).Itisnotapplicabletothefollowing:a)liquefiednaturalgas(LNG)fuelsystemcomponentslocatedupstreamof,andincluding,thevaporizer;b)fuelcontainers;c)stationarygasengines;d)containermountinghardware;e)electronicfuelmanagement;f)refuellingreceptacles.NOTE1ItisrecognizedthatmiscellaneouscomponentsnotspecificallycoveredhereincanbeexaminedtomeetthecriteriaofthispartofISO15500andtestedaccordingtotheappropriatefunctionaltests.NOTE2AllreferencestopressureinthispartofISO15500aretobeconsideredgaugepressuresunlessotherwisespecified.NOTE3ThispartofISO15500isbaseduponaservicepressurefornaturalgasasafuelof20MPa[200bar]settledat15℃.Otherservicepressurescanbeaccommodatedbyadjustingthepressurebytheappropriatefactor(ratio).Forexample,a25MPa(250bar)servicepressuresystemwillrequirepressurestobemultipliedby1,25.note:1)1bar=0,1MPa=10Pa;1MPa=1N/mm
【中国标准分类号】:T13
【国际标准分类号】:43_060_40
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Valvesforcompressedair;caps,42-mminternalwidth
【原文标准名称】:压缩空气管件.内开口宽度为42mm锁紧联管节
【标准号】:DIN3484-1956
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
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