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开发用于非破坏性测试的透镜聚焦空气合超声波传感器
Jinjie Zhou1, Qiyun Liu2, Xuemin Wang2
1School of Mechanical Engineering, North University of China, Taiyuan 030051, China; Shanxi Key Laboratory of Intelligent Equipment Technology in Harsh Environment, North University of China, Taiyuan 030051, China.
Ultrasonics
|February 7, 2025
概括
一个新的聚焦空气合超声波传感器,带有形声学镜头和双匹配层,显著提高了检测碳纤维增强聚合物复合材料的信号幅度和灵敏度.
科学领域:
- 材料科学 材料科学 材料科学
- 声学工程 声学工程
- 非破坏性测试是指非破坏性测试.
背景情况:
- 开发高效的空气合超声波传感器对于非破坏性测试至关重要.
- 传统的传感器在能量传输和接收效率方面面临挑战,特别是在空气合中.
研究的目的:
- 开发一种高效的聚焦空气合超声波传感器,用于改进无线探测技术应用.
- 与传统传感器相比,以增强信号幅度和灵敏度.
主要方法:
- 使用序列平行理论分析 1-3个带有不同体积分数的压电复合材料性能.
- 设计和制造一个聚焦传感器,采用形球形合金声学镜头和双球形匹配层.
- 使用碳纤维增强聚合物 (CFRP) 复合物检测的实验验证.
主要成果:
- 优化了具有60%体积分数的1-3压电复合材料.
- 开发的传感器实现了18毫米的聚焦面积.
- 双层球形匹配层增强了对空气的能量传输.
- 信号振幅和灵敏度分别比平板传感器高出2倍和45%.
结论:
- 开发的聚焦空气合超声波传感器证明了CFRP复合材料检测的卓越性能.
- 形声学镜头和双匹配层的集成显著提高了传感器的效率.
- 这种传感器为实际的NDT应用提供了相当大的优势.
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