ANSI/ASTM D6984a-2006 评估IIIF序列火花点火发动机中汽车发动机油的试验方法

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【英文标准名称】:Advancedtechnicalceramics-Mechanicalpropertiesofceramiccompositesatroomtemperature-Determinationofelasticpropertiesbyanultrasonictechnique;EnglishversionofDINEN14186:2008-02
【原文标准名称】:高级工业陶瓷.室温下陶瓷合成物的机械特性.用超声波技术测定弹性特性
【标准号】:DINEN14186-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-02
【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】:高级工业陶瓷;陶瓷;复合材料;定义;弹性(流体);延伸;数学计算;机械性能;弹性模量;直生的;泊松分布;泊松比;特性;剪切模量;应力;对称;抗拉强度;抗拉试验;测试;超声波试验系统;超声检验;杨氏模量
【英文主题词】:Advancedtechnicalceramics;Ceramics;Compositematerials;Definition;Definitions;Elasticproperties(fluids);Elongation;Mathematicalcalculations;Mechanicalproperties;Modulusofelasticity;Orthotropic;Poissondistribution;Poisson'sratio;Properties;Shearmodulus;Stress;Symmetry;Tensilestrength;Tensiletesting;Testing;Ultrasonictestsystems;Ultrasonictesting;Young'smodulus
【摘要】:ThisEuropeanStandardspecifiesanultrasonicmethodtodeterminethecomponentsoftheelasticitytensorofceramicmatrixcompositematerialsatroomtemperature.Young'smoduli,shearmoduliandPoissoncoefficients,canbedeterminedfromthecomponentsoftheelasticitytensor.ThisEuropeanStandardappliestoceramicmatrixcompositeswithacontinuousfibrereinforcement:unidirectional(1D),bidirectional(2D),andtridirectional(xD,with2<×≤3)whichhaveatleastorthotropicsymmetry,andwhosematerialsymmetryaxesareknown.Thismethodisapplicableonlywhentheultrasonicwavelengthusedislargerthanthethicknessoftherepresentativeelementaryvolume,thusimposinganupperlimittothefrequencyrangeofthetransducersused.NOTEPropertiesobtainedbythismethodmightnotbecomparablewithmoduliobtainedbyEN658-1,EN658-2andEN12289.
【中国标准分类号】:Q32
【国际标准分类号】:81_060_30
【页数】:27P.;A4
【正文语种】:英语


Product Code:SAE AMS4000
Title:Aluminum Sheet and Plate (1060-0) (NONCURRENT)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers aluminum in the form of sheet and plate.