Development and Application of Broadband High Sensitive Flexible Phased Array Probe
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摘要: 超声相控阵技术因为检测效率高和灵敏度高等优势而常应用于工程实践中，但对于一些复杂表面材料的检测，常规相控阵探头不能与材料紧密贴合而导致检测困难。介绍了一种可以通过接触法检测材料的不规则表面和倒角处的柔性相控阵探头，并对其性能进行改进，提出了一种新的柔性相控阵探头。对新旧柔性相控阵探头的性能进行比较，表明了新的柔性探头具有高灵敏度和高分辨率(可达0.1 mm)。最后,列举了新柔性相控阵探头在实际工程中的应用。Abstract: Ultrasonic phased array technology is often used in engineering application for high detection efficiency and high sensitivity. But for the detection of complex surface material, since the conventional phased array probe can not fit closely with the material it is therefore difficult for one to detect the material. This paper describes a flexible phased array probe that is available for detection of irregular surface & corner part of the specimen by direct contact method，and furthermore through improving the performance of the flexible phased array probe a new flexible phased array probe was developed. Through the performance comparison with the old flexible phased array probe, it is demonstrated that the new flexible phased array probe possesses high sensitivity and high resolution of 0.1 mm. Several practical engineering applications of the new flexible phased array probe are presented. The more engineering application of flexible phased array probe is expected.
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