BS 5590-1978 米制螺纹系列量筒规范
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来源:标准资料网
【英文标准名称】:Specificationforscrewthreadmetricseriesmeasuringcylinders
【原文标准名称】:米制螺纹系列量筒规范
【标准号】:BS5590-1978
【标准状态】:现行
【国别】:英国
【发布日期】:1978-05-31
【实施或试行日期】:1978-05-31
【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】:ISO米制螺纹;长度;惠氏螺纹;统一螺纹;螺纹量规;直径;外螺纹;英国标准螺纹;作标记;测量仪器;螺纹形状;螺纹;螺距
【英文主题词】:BritishAssociationscrewthreads;Diameter;Externalthreads;ISOmetricthreads;Length;Marking;Measuringinstruments;SIsystem(metric);Threadforms;Threadgauges;Threadpitch;Threads;Unifiedscrewthreads;Whitworthscrewthreads
【摘要】:RelatestomeasuringcylindersforISOmetricthreadsgiveninBS3643.AppendixcoverscylindersforusewithUnified,WhitworthformandBAthreads.
【中国标准分类号】:J04;J42
【国际标准分类号】:21_040_10
【页数】:12P.;A4
【正文语种】:英语
基本信息
标准名称: | 印制电路板对外连接方式及设计规范 |
中标分类: |
航空、航天 >>
航空器与航天器零部件 >>
电子元器件 |
ICS分类: |
航空器和航天器工程 >>
航空航天用电气设备与系统
|
发布日期: | 1990-01-20 |
实施日期: | 1991-09-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 25页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 航空 航天 航空器与航天器零部件 电子元器件 航空器和航天器工程 航空航天用电气设备与系统
【英文标准名称】:StandardTestMethodforShearPropertiesofCompositeMaterialsbytheV-NotchedBeamMethod
【原文标准名称】:用V形切口梁法测定复合材料剪切性能的标准试验方法
【标准号】:ASTMD5379/D5379M-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】:Thistestmethodisdesignedtoproduceshearpropertydataformaterialspecifications,researchanddevelopment,qualityassurance,andstructuraldesignandanalysis.Eitherin-planeorinterlaminarshearpropertiesmaybeevaluated,dependingupontheorientationofthematerialcoordinatesystemrelativetotheloadingaxis.Factorsthatinfluencetheshearresponseandshouldthereforebereportedincludethefollowing: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:5.2.1Shearstress/strainresponse,5.2.2Ultimatestrength,5.2.3Ultimatestrain,5.2.4Shearchordmodulusofelasticity,and5.2.5Transitionstrain.1.1Thistestmethodcoverstheshearpropertiesofcompositematerialsreinforcedbyhigh-modulusfibers.Thecompositematerialsarelimitedtocontinuous-fiberordiscontinuous-fiber-reinforcedcompositesinthefollowingmaterialforms:1.1.1Laminatescomposedonlyofunidirectionalfibrouslaminae,withthefiberdirectionorientedeitherparallelorperpendiculartotheloadingaxis.1.1.2Laminatescomposedonlyofwovenfabricfilamentarylaminaewiththewarpdirectionorientedeitherparallelorperpendiculartotheloadingaxis.1.1.3Laminatescomposedonlyofunidirectionalfibrouslaminae,containingequalnumbersofpliesorientedat0and90inabalancedandsymmetricstackingsequence,withthe0directionorientedeitherparallelorperpendiculartotheloadingaxis.1.1.4Short-fiber-reinforcedcompositeswithamajorityofthefibersbeingrandomlydistributed.Note1Thissheartestconceptwasoriginallydevelopedwithoutreferencetofiberdirectionforuseonisotropicmaterialssuchasmetalsorceramics.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_140_20
【页数】:13P.;A4
【正文语种】:英语