基于红外热波的装备功能涂层质量无损检测理论与技术研究

This project aims to use the transient thermal wave to explore the rapid automated non-destructive testing theories and methods with high performance for the thickness measurement and quality detection of the equipment's special function surface coating. The contents of this study include: with the function of transient heat wave field, the special coating irregular surface or substrate heat wave scattering and reflection comprehensive quantitative model of computing theory will be studied. Instantaneous flow accurate control theories and methods of thermal excitation will be investigated, which has the comprehensive optimize performance of heat wave field uniformity, the information carrying capacity and all kinds of quality defect sensitivity. Infrared thermal image processing theories and methods with high precision fitting, reconstruction, classification and information fusion, global optimization will be set up. Finally, real-time quantitative functional coating heat flow field non-destructive testing technology as well as the heat wave of high-performance automated coating quality nondestructive testing measurement and assessment techniques will be studied, which has the flexible coordination ability between the rapid detection and quantitative characterization..The successful implementation of this project will certainly laid an important theoretical basis for equipment coating quality monitoring, but also provides an independent intellectual property rights and key common techniques in this area. It also will solve the coating thickness and quality detection problem of special function coating rapidly and efficiently in weapons and equipment, which is of great military value and economic benefits.

本项目旨在探讨利用瞬间热波流场实施对装备表面特种功能涂层的厚度与质量进行高性能自动化快速无损检测的理论与方法。主要研究内容包括：瞬间热波流场作用下特种涂层非规则结合面或基底热波散射和反射综合定量模型计算理论，具有热波流场均匀度、信息携带量和各类质量缺陷敏感度等综合优化性能的热激励瞬间流场精确控制理论与方法，具有高精度拟合、重构、分类和信息融合等全局优化的红外热像处理理论与方法，具备快速检测与定量表征之间柔性协调能力的高实时定量化功能涂层热流场无损检测技术以及高性能自动化热波涂层质量无损检测测量与评估技术。.本项目的成功实施必将为装备涂层质量监控奠定重要的理论基础，同时也为该领域提供一种具有自主知识产权和关键的共性技术手段。解决武器装备使用过程中特种功能涂层厚度及其质量的快速高效的检测难题，具有重大的军事价值和经济效益。

本项目把新兴的红外热波技术应用于特种功能涂层的质量检测，建立了热波与涂层结构相互作用的理论模型，重点研究了涂层厚度测量及涂层缺陷在周期性与脉冲热波激励下的热波检测机理和热激励源加载方式及参数的优化准则，解决了涂层厚度及其均匀性热波无损检测的相关理论与工程技术问题。深入分析了影响热波检测的相关因素及热波图像序列处理算法，研究出时空域联合的热图序列压缩与重建理论以及先进的图像增强、信息融合、缺陷分割等方法，显著提升了热波检测图像处理理论与算法的效能。详细论证了涂层质量检测的红外热波检测系统方案和实现途径，攻克了精确控制、高效计算与细化等关键技术，研制了专用的涂层红外热波检测控制及图像序列处理软件系统和相关装置，实现了涂层质量缺陷的快速检测和定量识别。研究成果为我国武器装备特种功能涂层的质量检测提供了一种新型、快速、高效的无损检测理论和方法，具有重大的军事应用价值和良好的工业应用前景。