【英文标准名称】:Mechanicalvibrationandshock-Characterizationofthedynamicmechanicalpropertiesofvisco-elasticmaterials-Part3:Cantilevershearbeammethod
【原文标准名称】:机械振动和冲击.粘弹性材料的动态机械特性的表征.第3部分:悬臂剪切束法
【标准号】:ISO18437-3-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-04
【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/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:振动影响(对人体);悬臂;振动;振动效应;弹性(流体);抗震试验;冲击;试验;材料的机械性能;振动测量;测量;规范(验收);定义
【英文主题词】:Cantilever;Definitions;Elasticproperties(fluids);Measurement;Mechanicalpropertiesofmaterials;Shock;Specification(approval);Testing;Vibration;Vibrationeffects;Vibrationeffects(humanbody);Vibrationmeasurement;Vibrationresistancetests
【摘要】:ThispartofISO18437definesacantilevershearbeammethodfordeterminingfromlaboratorymeasurementsthedynamicmechanicalpropertiesoftheresilientmaterialsusedinvibrationisolators.Commonerrorsduetoclampingthespecimenareavoidedbyusingfixedendssothereisnorotationalmotionofthebeamatitsends.ThispartofISO18437isapplicabletoshockandvibrationsystemsoperatingfromafractionofahertztoabout20kHz.ThispartofISO18437isapplicabletoresilientmaterialsthatareusedinvibrationisolatorsinordertoreducea)transmissionsofunwantedvibrationsfrommachines,structuresorvehiclesthatradiatesound(fluid-borne,airborne,structure-borne,orothers),andb)thetransmissionoflow-frequencyvibrationsthatactuponhumansorcausedamagetostructuresorsensitiveequipmentwhenthevibrationistoosevere.ThedataobtainedwiththemeasurementmethodsthatareoutlinedinthispartofISO18437andfurtherdetailedinISO18437-2areusedfor—thedesignofefficientvibrationisolators,—theselectionofanoptimummaterialforagivendesign,—thetheoreticalcomputationofthetransferofvibrationsthroughisolators,—informationduringproductdevelopment,—productinformationprovidedbymanufacturersandsuppliers,and—qualitycontrol.Theconditionforthevalidityofthemeasurementmethodislinearityofthevibrationalbehaviouroftheisolator.Thisincludeselasticelementswithnonlinearstaticloaddeflectioncharacteristics,providedthattheelementsshowapproximatelinearityintheirvibrationalbehaviourforagivenstaticpreload.Measurementsusingthismethodaremadeovertwodecadesinfrequency(typically0,3Hzto30Hz)atanumberoftemperatures.Byapplyingthetime-temperaturesuperpositionprinciple,themeasureddataareshiftedtogeneratedynamicmechanicalpropertiesoveramuchwiderrangeoffrequencies(typically10Hzto10Hzatasinglereferencetemperature)thaninitiallymeasuredatagiventemperature.NOTEForthepurposeofthispartofISO18437,theterm"dynamicmechanicalproperties"referstothedeterminationofthefundamentalelasticproperties,e.g.thecomplexYoung'smodulusasafunctionoftemperatureandfrequencyand,ifapplicable,astaticpreload.
【中国标准分类号】:J04
【国际标准分类号】:17_160
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:Termsforrailwayvehicleparts;termsanddefinitionsforresilientpartswithelastomers
【原文标准名称】:有轨机动车部件的名称.带弹性体的弹性部件的名称和概念说明
【标准号】:DIN25001T.3-1976
【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】:
【页数】:
【正文语种】: