IEC 60367-1 AMD 2-1992 通信用电感器和变压器磁芯第1部分:测量方法修改2
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【英文标准名称】:Coresforinductorsandtransformersfortelecommunications;part1:measuringmethods;amendment2
【原文标准名称】:通信用电感器和变压器磁芯第1部分:测量方法修改2
【标准号】:IEC60367-1AMD2-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC51
【标准类型】:()
【标准水平】:()
【中文主题词】:堆芯;线圈;电感器;保护线圈;电磁元件;变压器;电气工程;电信;测量技术;通信设备;铁氧体磁心
【英文主题词】:inductors;magneticcomponents;communications;electricalengineering;measuringtechniques;spools;ferritcores;protectivecoils;cores;telecommunication;transformers;electriccoils
【摘要】:
【中国标准分类号】:L19
【国际标准分类号】:29_100_10
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforShearPropertiesofCompositeMaterialsbyV-NotchedRailShearMethod
【原文标准名称】:用v型切口梁剪切试验测定复合材料剪切特性的标准试验方法
【标准号】:ASTMD7078/D7078M-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D30.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;in-planeshear;interlaminarshear;shearmodulus;shearproperties;shearstrength;sheartesting
【摘要】:Thissheartestisdesignedtoproduceshearpropertydataformaterialspecifications,researchanddevelopment,qualityassurance,andstructuraldesignandanalysis.Eitherin-planeorinterlaminarshearpropertiesmaybeevaluated,dependingupontheorientationofthematerialcoordinatesystemrelativetotheloadingaxis.Factorsthatinfluencetheshearresponseandshouldthereforebereportedinclude:material,methodsofmaterialpreparationandlay-up,specimenstackingsequence,specimenpreparation,specimenconditioning,environmentoftesting,specimenalignmentandgripping,speedoftesting,timeattemperature,voidcontent,andvolumepercentreinforcement.Inanisotropicmaterials,propertiesmaybeobtainedinanyofthesixpossibleshearplanesbyorientingthetestingplaneofthespecimenwiththedesiredmaterialplane(1-2or2-1,1-3or3-1,2-3or3-2).Onlyasingleshearplanemaybeevaluatedforanygivenspecimen.Properties,inthetestdirection,whichmaybeobtainedfromthistestmethod,includethefollowing:5.2.1Shearstressversusengineeringshearstrainresponse,5.2.2Ultimateshearstrength,5.2.3Ultimateengineeringshearstrain,5.2.4Shearchordmodulusofelasticity,5.2.5Transitionstrain.1.1Thistestmethodcoversthedeterminationoftheshearpropertiesofhigh-modulusfiber-reinforcedcompositematerialsbyclampingtheendsofaV-notchedspecimenbetweentwopairsofloadingrails.Whenloadedintension,therailsintroduceshearforcesintothespecimenthroughthespecimenfaces.Incomparison,thespecimenofTestMethodD5379/D5379Misloadedthroughitstopandbottomedges.Faceloadingallowshighershearforcestobeappliedtothespecimen,ifrequired.Additionally,thepresenttestmethodutilizesaspecimenwithalargergagesectionthantheV-notchedspecimenofTestMethodD5379/D5379M.Inbothtestmethods,theuseofaV-notchedspecimenincreasesthegagesectionshearstressesinrelationtotheshearstressesinthevicinityofthegrips,thuslocalizingthefailurewithinthegagesectionwhilecausingtheshearstressdistributiontobemoreuniformthaninaspecimenwithoutnotches.Incomparison,TestMethodD4255/D4255Mutilizesanunnotchedspecimenclampedbetweentwopairsofloadingrailsthatareloadedintension.AlsoincontrasttoTestMethodD4255/D4255M,thepresenttestmethodprovidesspecimengrippingwithouttheneedforholesinthespecimen.Thecompositematerialsarelimitedtocontinuous-fiberordiscontinuous-fiber-reinforcedcompositesinthefollowingmaterialforms:1.1.1Laminatescomposedonlyofunidirectionalfibrouslaminae,withthefiberdirectionorientedeitherparallelorperpendiculartothefixturerails.1.1.2Laminatesofbalancedandsymmetricconstruction,withthe0directionorientedeitherparallelorperpendiculartothefixturerails.1.1.3Laminatescomposedofwoven,braided,orknittedfabricfilamentarylaminae.1.1.4Short-fiber-reinforcedcompositeswithamajorityofthefibersbeingrandomlydistributed.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuse......
【中国标准分类号】:G31
【国际标准分类号】:83_140_20
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforStressRelaxationTestingofRawRubber,UnvulcanizedRubberCompounds,andThermoplasticElastomers
【原文标准名称】:生橡胶、非硫化橡胶混合物和热塑弹性体的应力松弛测试用标准实施规程
【标准号】:ASTMD6048-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:弹性体;橡胶;橡胶混合物;应力;测试
【英文主题词】:Elastomers;Rubber;Rubbercompounds;Stress;Testing
【摘要】:
【中国标准分类号】:G30
【国际标准分类号】:83_040_10
【页数】:15P;A4
【正文语种】:英语
