基于数字剪切散斑干涉与红外热成像的复合缺陷检测  

Composite Defect Detection Based on Digital Shearing Speckle Pattern Interferometry and Infrared Thermography

作　　者：闫旭帅 李伟仙[1] 吴思进[1] Yan Xushuai;Li Weixian;Wu Sijin(School of Instrument Science and OptoElectronics Engineering,Beijing Information Science and Technology University,Beijing 100192,China)

机构地区：[1]北京信息科技大学仪器科学与光电工程学院,北京100192

出　　处：《激光与光电子学进展》2024年第24期105-110,共6页Laser & Optoelectronics Progress

基　　金：国家自然科学基金面上项目(52075044,52075045);北京信息科技大学勤信人才培育计划(QXTCP B202402)。

摘　　要：无损检测技术由于依据原理的差异,都有各自的局限性,而多种检测技术的复合使用可以从多个原理方面进行检测,获得更好的检测效果。本文提出了一种基于数字剪切散斑干涉技术和红外热成像技术的复合缺陷检测方法,采用统一的激励源对光路进行融合设计,两种技术同步进行数据采集,并综合结果进行缺陷分析。实验表明,该检测方法结合了两种方法的检测特点,在实际检测时获得了较好的缺陷检测效果。Nondestructive testing technologies,each based on different principles,exhibit inherent limitations when used in isolation.The integration of multiple testing technologies can mitigate these limitations,offering a more robust and comprehensive defect detection process.This study proposes a composite defect detection method that integrates digital shearing speckle pattern interferometry with infrared thermography.A unified excitation source is utilized to harmonize the optical paths,enabling synchronized data acquisition from these two technologies.The synthesized results are then analyzed to identify defects.Experimental findings indicate that the proposed method effectively combines the strengths of the two technologies,resulting in excellent defect detection performance in real-world scenarios.

关 键 词：无损检测 数字剪切散斑干涉技术 红外热成像技术 复合检测 

分 类 号：TB9[一般工业技术—计量学]