涡流阵列检测缺陷的理论基础和仿真分析  

Theoretical Basis and Simulation Analysis of Eddy Current Array to Cracks Defection

作　　者：岳明明 张卫民[1] 庞炜涵 徐民东 YUE Ming-ming, ZHANG Wei-min, PANG Wei-han, XU Min-dong(School of Mechanical Engineering, Beijing Institute of Technology, Beijing 100081, Chin)

机构地区：[1]北京理工大学机械与车辆学院,北京100081

出　　处：《北京理工大学学报》2018年第2期150-154,共5页Transactions of Beijing Institute of Technology

基　　金：国家自然科学基金资助项目(51275048)

摘　　要：针对独立研发的一套具有检测效率高且可大面积扫查涡流阵列检测技术的装置进行了系统研究.深入探讨了其工作的理论基础,并利用COMSOL有限元软件对系统进行了仿真分析.仿真结果显示该涡流阵列传感器可以对导体表面裂纹缺陷形状位置进行快速有效地判定,由此可对现实中评估裂纹缺陷起指导作用,促进实际缺陷检测的发展,提高实际缺陷检测的效率.The high detection efficiency of eddy current array detection technology makes it suitable for large areas scanning.Based on a systemic research on the eddy current array detection device developed independently,the theoretical basis of this work was studied for further applications,and simulation analysis with the FEM software COMSOL was carried out on the system.The simulation results show that,the estimating of surface crack defects on the conductor can carry out quickly and effectively.The eddy current array detection method plays a significant part in the evaluation of crack defects,can promote the technology development and practical efficiency of actual cracks detection.

关 键 词：涡流阵列检测 磁场理论 仿真分析 裂纹 检测装置 

分 类 号：TG115.8[金属学及工艺—物理冶金]