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

标准号

BS EN 50324-2:2002

发布

2002年

发布单位

英国标准学会

当前最新

BS EN 50324-2:2002

 

 

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.

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