Design and characterisation of 1-3 ultrasonic composites using ATILA and ultra fast laser measurements (20 MHz)
Design and characterisation of 1-3 ultrasonic composites using ATILA and ultra fast laser measurements (20 MHz)
复制标题
使用 ATILA 和超快激光测量 (20 MHz) 设计和表征 1-3 超声波复合材料
DOI：
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发表时间：
2005
期刊：
影响因子：
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通讯作者：
A. Hladky
中科院分区：
文献类型：
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作者：
T. Rodig;A. Schonecker;A. Hladky
通过使用定制形状、高质量、低成本的超声波换能器，超声波技术有望取得进一步的进展。因此，基于压电陶瓷纤维的1-3超声复合材料得到了发展。为了充分利用压电复合材料的所有优点，需要有效的设计和表征工具。在这里，我们报告了ATILA和新开发的超快速扫描激光测量系统（测振仪）的结合使用，如Polytec提供的。ATILA是一个有限元软件工具，能够模拟耦合的压电、机电和声场问题。激光测振仪可以测量平面内运动和声场。本文主要研究了基于压电陶瓷纤维的1-3复合材料。首先收集了模拟和测量数据，如频谱、谐振频率和反谐振频率以及不同频率下的模态振型。模型和实测数据完全一致。此外，本文还测量了1-3层复合材料横向波的新效应，并对其进行了讨论。Keywords-piezoceramic纤维;1 - 3复合材料;超声波;FE -
Further progress in ultrasonic technology is expected by using custom shape, high-quality, low-cost ultrasonic transducers. Therefore, 1-3 ultrasonic composites based on piezoceramic fibers have been developed. In order to make use of all advantages of piezo composites effective design and characterization tools are necessary. Here we report on the combined use of ATILA and a newly developed ultra fast scanning laser measurement system (vibrometer) such as provided by Polytec. ATILA is a finite element software tool, which is able to simulate coupled piezoelectric, electromechanical and acoustic field problems. The laser vibrometer allows to measure in-plane movements as well as sound field. The present paper is focused on 1-3 composites based on piezoceramic fibers. First simulated and measured data, e.g. spectrum, resonant frequency and anti-resonant frequency as well as the mode shapes for different frequencies have been collected. The modeled and measured data agree completely. Furthermore new effects of lateral waves of 1-3 composites have been measured and are discussed in the paper. Keywords-piezoceramic fiber; 1-3 composites; ultrasonic; FE-