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YD/T 1272.3-2005 光纤活动连接器 第3部分:SC型

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基本信息
标准名称:光纤活动连接器 第3部分:SC型
英文名称:Optical fiber connector Part 3:Type SC connector family
中标分类: 通信、广播 >> 通信设备 >> 光通信设备
ICS分类: 电信、音频和视频技术 >> 光纤通信 >> 光纤连接器
替代情况:YD/T 895-1997
发布部门:中华人民共和国信息产业部
发布日期:2005-12-26
实施日期:2006-03-01
首发日期:
作废日期:
起草单位:武汉邮电科学研究院、深圳昊谷光电技术有限公司
出版日期:
页数:49页
适用范围

本部分对SC型光纤光动连接器簇进行定义和分类;规定了各类接口的图形、配合尺寸;规定了SC型光纤连接器簇的光学性能、标准连接器的胶合材料的要求;规定了试验方法及质量评定程序;规定了标志、包装、运输及贮存要求。本部分适用于SC型光纤活动连接器簇产品。

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所属分类: 通信 广播 通信设备 光通信设备 电信 音频和视频技术 光纤通信 光纤连接器
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【英文标准名称】:StandardTestMethodsforConstituentContentofCompositeMaterials
【原文标准名称】:用基质溶解法测定树脂基质混合物中纤维含量的标准试验方法
【标准号】:ASTMD3171-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:航空航天运输;航空运输;复合材料;含量测定;纤维;叠层板材;材料;模型;树脂;航天技术;试验
【英文主题词】:compositematerials;fibercontent;matrixcontent;reinforcementcontent;resincontent;voidvolume
【摘要】:Aconstituentcontentofacompositematerialmustbeknowninordertoanalyticallymodelthematerialproperties(mechanical,physical,thermal,orelectrical)ofthecompositewhichareaffectedbythereinforcementormatrix.Also,knowledgeoftheconstituentcontentisrequiredforevaluationofthequalityofafabricatedmaterialandtheprocessesusedduringfabrication.Thevoidvolumeofacompositematerialmaysignificantlyaffectsomeofitsmechanicalproperties.Highervoidvolumesusuallymeanlowerfatigueresistance,greatersusceptibilitytomoisturepenetrationandweathering,andincreasedvariationorscatterinstrengthproperties.Knowledgeofthevoidvolumeofacompositematerialisdesirableasanindicationofthequalityofacomposite.Reinforcementcontentmaybeusedtonormalizemechanicalpropertiesaffectedbyamountofreinforcementinthecoupon.DESIG:D317106^TITLE:StandardTestMethodsforConstituentContentofCompositeMaterials^SCOPE:1.Scope1.1Thesetestmethodsdeterminetheconstituentcontentofcompositematerialsbyoneoftwoapproaches.MethodIphysicallyremovesthematrixbydigestionorignitionbyoneofsevenprocedures,leavingthereinforcementessentiallyunaffectedandthusallowingcalculationofreinforcementormatrixcontent(byweightorvolume)aswellaspercentvoidvolume.MethodII,applicableonlytolaminatematerialsofknownfiberarealweight,calculatesreinforcementormatrixcontent(byweightorvolume),andthecuredplythickness,basedonthemeasuredthicknessofthelaminate.MethodIIisnotapplicabletothemeasurementofvoidvolume.1.1.1Thesetestmethodsareprimarilyintendedfortwo-partcompositematerialsystems.However,specialprovisionscanbemadetoextendthesetestmethodstofilledmaterialsystemswithmorethantwoconstituents,thoughnotalltestresultscanbedeterminedineverycase.1.1.2Theprocedurescontainedwithinhavebeendesignedtobeparticularlyeffectiveforcertainclassesofpolymerormetalmatrices.ThesuggestedapplicationsarediscussedinSection,aswellasatthestartofeachprocedure.1.1.3MethodIassumesthatthereinforcementisessentiallyunaffectedbythedigestionorignitionmedium.Aprocedureforcorrectionoftheresultsforminorchangesinthereinforcementisincluded.ProceduresAthroughFarebasedonchemicalremovalofthematrixwhileProcedureGremovesthematrixbyignitingthematrixinafurnace.1.1.4MethodIIassumesthatthefiberarealweightofthereinforcementmaterialformisknownorcontrolledtoanacceptabletolerance.Thepresenceofvoidsisnotmeasured.Eqn.1assumezerovoidcontenttoperformthecalculation.1.2TheSIunitsshownareconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSectionforadditionalinformation.
【中国标准分类号】:G31
【国际标准分类号】:83_140_20
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Advancedtechnicalceramics-Mechanicalpropertiesofceramiccompositesatambienttemperature-Evaluationoftheresistancetocrackpropagationbynotchsensitivitytesting;EnglishversionofDINEN13234:2007-01
【原文标准名称】:高级工业陶瓷.室温下陶瓷混合料的机械性能.通过切口灵敏度试验评估耐裂纹扩展性
【标准号】:DINEN13234-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-01
【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】:高级工业陶瓷;陶瓷;复合材料;抗裂纹扩张;防裂纹扩展;定义;评定;断裂韧性;材料试验;机械性能;切口敏感性;有凹槽的;特性;耐力;试验设备;试验报告;试样;试验
【英文主题词】:
【摘要】:ThisEuropeanStandarddescribesamethodfortheclassificationofceramicmatrixcomposite(CMC)materialswithrespecttotheirsensitivitytocrackpropagationusingtensiletestsonnotchedspecimenswithdifferentnotchdepths.Twoclassesofceramicmatrixcompositematerialscanbedistinguished:materialswhosestrengthissensitivetothepresenceofnotchesandmaterialswhosestrengthisnotaffected.Forsensitivematerials,thisEuropeanStandarddefinesamethodfordeterminingequivalentfracturetoughness.Theparameter,K,isdefinedasthefracturetoughnessofahomogeneousmaterialwhichpresentsthesamesensitivitytocrackpropagationastheceramicmatrixcompositematerialwhichisbeingconsidered.ThedefinitionoftheKparameteroffersthepossibilitytocompareceramicmatrixcompositematerialswithothermaterialswithrespecttosensitivitytocrackpropagation.Fornotchinsensitivematerials,theconceptofKdoesnotapply.ThisEuropeanStandardappliestoallceramicmatrixcompositeswithacontinuousfibrereinforcement,unifirectional(1D),bidirectional(2D),andtridirectional(xD,where2