【英文标准名称】:Fibre-reinforcedplasticcomposites.Determinationofcompressivepropertiesinthein-planedirection
【原文标准名称】:纤维增强塑料复合材料.平面方向压缩性的测定
【标准号】:BSENISO14126-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【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】:试验设备;质量控制;压力试验;增强的材料;塑料;试样;压缩试验;负荷;高聚物;试样制备;纤维;剪切强度;叠层板材;方程;尺寸;平行;复合材料;加强材料;试验条件
【英文主题词】:Compositematerials;Compressiontesting;Compressivestrength;Definitions;Determination;Dimensions;Equations;Faces;Fibrereinforced;Fibres;Laminates;Loading;Materials;Mechanicaltesting;Parallel;Plastics;Polymers;Pressureresistance;Pressuretesting;Pressuretests;Properties;Qualitycontrol;Reinforcedmaterials;Reinforcingmaterials;Shearstrength;Shearstress;Specimenpreparation;Testequipment;Testspecimens;Testing;Testingconditions
【摘要】:1ThisInternationalStandardspecifiestwomethodsfordeterminingcompressiveproperties,indirectionsparadeltotheplaneoflamination,offibre-reinforcedplasticcomposites.2Thecompressivepropertiesareofinterestforspecificationsandquality-controlpurposes.3Twoloadingmethodsandtwotypesofspecimenaredescribed.Theyare:—Method1:providesshearloadingofthespecimen(gaugelengthunsupported).—Method2:providesendloading,ormixedloading,ofthespecimen(gaugelengthunsupported).NOTEFortabbedspecimensend-loadedusingmethod2,someloadistransferredintothespecimengaugelengthbyshearthroughthetabs.—TypeAspecimen:rectangularcross-section,fixedthickness,end-tabbed.—TypeBspecimen:rectangularcross-section,rangeofthicknesses,untabbedorend-tabbed(twosizesavailable).Anycombinationoftestmethodandspecimenmaybeused,providedthattherequirementsofsubclause9.8aresatisfiedandthatthespecimenisrepresentativeofthematerialundertest.Thesealternativetestconditionswillnotnecessarilygivethesameresult.ThetypeAspecimenisthepreferredspecimenforunidirectionallyreinforcedmaterialstestedinthefibredirection.Forothermaterials,thetypeAorBspecimenmaybeused.ThetypeB2specimenispreferredformat,fabricandothermultidirectionallyreinforcedmaterials.4Themethodsaresuitableforfibre-reinforcedthermoplasticandthermosettingplasticcomposites.Unreinforcedandparticle-filledplastics,aswellasthosereinforcedwithshortfibres(lessthan1mminlength),arecoveredbyISO604(seebibliography).5ThemethodsareperformedusingspecimenswhichmaybemachinedfromatestpanelmadeinaccordancewithISO1268orequivalentmethods,orfromfinishedorsemi-finishedproducts.6Themethodsspecifyrequireddimensionsforthespecimen.Testswhicharecarriedoutonspecimensofotherdimensions,oronspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchasthespeedoftesting,thesupportfixtureusedandtheconditionofthespecimens,caninfluencetheresults.Consequently,whencomparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.7Fibre-reinforcedplasticsareusuallyanisotropic.Itisthereforeoftenusefultocuttestspecimensinatleastthetwomaindirectionsofanisotropy,orindirectionspreviouslyspecified(forexamplealengthwisedirectionassociatedwiththeproductionprocess).
【中国标准分类号】:Q23
【国际标准分类号】:83_120
【页数】:30P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 唱片与唱机 模拟音频唱片放音设备特性测量方法 |
| 英文名称： | Audio disk records and players-Methods of measuring the characteristics of reproducing equipment for analogue audio disk records |
| 中标分类： |
冶金 >>
冶金综合 >>
技术管理 |
| 发布部门： | 中华人民共和国电子工业部 |
| 发布日期： | 1988-01-05 |
| 实施日期： | 1988-01-05 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1988-01-05 |
| 页数： | 16页 |
适用范围
本标准适用于专业及家用模拟音频唱片的放音设备包括唱片拾音系统及驱动系统。本标准不包括放大器及扬声器，其测试方法可参见SJ/Z 9140-87（IEC 268号标准）：声系统设备第3、5部分。本标准也不包括品质等级各个方面，可参见SJ/Z 9142-87（IEC 581号标准）：高保真音频设备与系统——最低性能要求第3部分。
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引用标准
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所属分类： 冶金 冶金综合 技术管理