水浸超声聚焦探头性能测试及声场可视化研究  

Performance test and sound field visualization study of water immersed ultrasonic focus probe

作　　者：曹永朋 李佳 陈振华[1] 李泽 卢超[1] 张驰 CAO Yongpeng;LI Jia;CHEN Zhenhua;LI Ze;LU Chao;ZHANG Chi(Key Laboratory of Nondestructive Testing of Ministry of Education,Nanchang Hangkong University,Nanchang 330063,China;AECC Commercial Aircraft Engine Co.,Ltd.,Shanghai 201306,China)

机构地区：[1]南昌航空大学无损检测技术教育部重点实验室,南昌330063 [2]中国航发商用航空发动机有限责任公司,上海201306

出　　处：《无损检测》2023年第12期45-50,67,共7页Nondestructive Testing

基　　金：江西省重点研发计划(20212BBE51006)。

摘　　要：水浸超声聚焦检测技术广泛应用于航空构件的高精度、自动化成像检测中。水浸超声聚焦探头是形成聚焦声场的关键部件,探头性能及发射声场分布的测试分析非常重要,直接决定其检测性能。搭建了一套能够测试水浸超声聚焦探头特性、实现声场可视化的综合测试平台;对3只标称值相同的探头进行特性测试及声场成像试验,分析探头性能参数对声场分布的影响以及探头声场分布特征对检测能力的影响。试验结果表明,超声探头特性测试值及可视化声场能够反映其检测能力,对于保证探头检测性能、辅助探头优化设计、避免检测性能恶化具有重要作用。The water immersion ultrasonic focusing detection technology is widely used in high-precision and automated imaging detection of aviation components.The water immersion ultrasonic focusing probe is a key component in forming a focused sound field,and the testing and analysis of the probe performance and emission sound field distribution are very important,directly determining its detection performance.A comprehensive testing platform was built that can test the characteristics of immersion ultrasonic focusing probes and achieve sound field visualization;Characteristic testing and sound field imaging tests on three probes with the same nominal value were conducted.The impact of probe performance parameters on sound field distribution and the impact of probe sound field distribution characteristics on detection ability were analyzed.The experimental results indicated that the test values of ultrasonic probe characteristics and the visualized sound field can charcterize its detection ability,which played an important role in ensuring probe detection performance,assisting probe optimization design,and avoiding deterioration of detection performance.

关 键 词：声场 水浸聚焦探头 测试平台 航空构件 

分 类 号：TG115.28[金属学及工艺—物理冶金]