DIN EN 14186-2008 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：DIN EN 14186-2008
中文标准名称：**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
英文标准名称：Advanced technical ceramics - Mechanical properties of ceramic composites at room temperature - Determination of elastic properties by an ultrasonic technique; English version of DIN EN 14186:2008-02
标准类型：Q32
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：Q32
国际标准分类号：81.060.30
引用标准：EN 1389;CEN/TR 13233-2007;EN ISO/IEC 17025;ISO 3611
适用范围：This European Standard specifies an ultrasonic method to determine the components of the elasticity tensor ofceramic matrix composite materials at room temperature. Young's moduli, shear moduli and Poisson coefficients,can be determined from the components of the elasticity tensor.This European Standard applies to ceramic matrix composites with a continuous fibre reinforcement: unidirectional(1D), bidirectional (2D), and tridirectional (xD, with 2 < ×≤ 3) which have at least orthotropic symmetry, and whosematerial symmetry axes are known.This method is applicable only when the ultrasonic wave length used is larger than the thickness of therepresentative elementary volume, thus imposing an upper limit to the frequency range of the transducers used.NOTE Properties obtained by this method might not be comparable with moduli obtained by EN 658-1, EN 658-2 andEN 12289.