Yan Xiaoling, Wang Houpu, Fan Xiaozhi
School of Artificial Intelligence, Beijing Technology and Business University, Beijing 102488, China.
School of Media and Design, Beijing Technology and Business University, Beijing 102488, China.
Materials (Basel). 2023 Mar 8;16(6):2161. doi: 10.3390/ma16062161.
There are some limitations when conventional ultrasonic testing methods are used for testing early damage in metal parts. With the continuous development of acoustics and materials science, nonlinear ultrasonic nondestructive testing technology has been used for testing of early damage in metal materials. In order to better understand the basic theory and research progress of the nonlinear ultrasonic testing technology, the classical nonlinear ultrasonic theoretical models, including the dislocation monopole model, dislocation dipole model, precipitate-dislocation pinning model, and contact nonlinear ultrasonic theory-microcrack model, are analyzed in depth. This paper introduces the application and research progress of nonlinear ultrasonic detection technology, which is derived from different acoustic nonlinear effects, such as higher harmonic, wave mixing and modulation, sub-harmonic, resonance frequency spectrum analysis, and non-linear ultrasonic phased array imaging. The key technologies and problems are summarized to provide a reference for the further development and promotion of nonlinear ultrasonic non-destructive testing technology.
当使用传统超声检测方法检测金属部件的早期损伤时，存在一些局限性。随着声学和材料科学的不断发展，非线性超声无损检测技术已被用于金属材料早期损伤的检测。为了更好地理解非线性超声检测技术的基本理论和研究进展，对经典的非线性超声理论模型进行了深入分析，包括位错单极子模型、位错偶极子模型、析出物-位错钉扎模型以及接触非线性超声理论-微裂纹模型。本文介绍了基于不同声学非线性效应（如高次谐波、波混频与调制、次谐波、共振频谱分析以及非线性超声相控阵成像）的非线性超声检测技术的应用及研究进展。总结了关键技术和问题，为非线性超声无损检测技术的进一步发展与推广提供参考。
