BS EN 50324-2-2002
陶瓷材料和元件的压电性能.测量方法.低功率
Piezoelectric properties of ceramic materials and components - Methods of measurement - Low power
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- 标准号
- BS EN 50324-2-2002
- 发布日期
- 2002年10月10日
- 实施日期
- 2002年10月10日
- 废止日期
- 无
- 中国标准分类号
- Q32
- 国际标准分类号
- 31.140
- 发布单位
- GB-BSI
- 被代替标准
- 99/242418 DC-1999
- 适用范围
- The methods of measurement described in this European Standard are for use with piezoelectric components produced from the ceramic materials described in EN 50324-1 “Terms and definitions”. Methods of measurement for specific dielectric, piezoelectric and elastic coefficients are generally applicable to piezoelectric ceramics. The polycrystalline nature of ceramics, statistical fluctuations in composition and the influence of the manufacturing process, result in specified material coefficients being typical mean values. These values are provided for design information only. Piezoelectric transducers can have widely differing shapes and may be employed in a range of vibrational modes. Material parameters however, are measured on simple test-pieces (discs, rods etc. see EN 50324-1, Figure 2) using specific geometric and electrical boundary conditions. Consequently, the results of the tests provide basic material parameters only and must only be used as a guide to the actual properties of manufactured commercial components.