Development and Application of Infrared Thermography Non-Destructive Testing Techniques

Area of Science:

• Materials Science
• Non-Destructive Testing
• Thermal Imaging

Background:

• Effective material defect testing is crucial for safety performance.
• Traditional non-destructive testing (NDT) methods have limitations.
• Infrared thermography (IRT) has emerged as a rapid, advanced NDT technique.

Purpose of the Study:

• To review the main infrared thermography non-destructive testing techniques.
• To analyze and compare the detection principles, technical characteristics, and data processing methods of various IRT techniques.
• To present the development of IRT and summarize its applications and future trends.

Main Methods:

• Review of existing literature on infrared thermography non-destructive testing.
• Comparative analysis of different IRT techniques based on detection principles and technical characteristics.
• Examination of data processing methods specific to IRT.

Main Results:

• Identified several key infrared thermography non-destructive testing techniques.
• Detailed comparison of the principles, characteristics, and data processing of these techniques.
• Overview of the developmental trajectory of IRT in materials testing.

Conclusions:

• Infrared thermography is a rapidly developing NDT technique with significant potential.
• The core technologies of thermal excitation and infrared image processing are central to IRT.
• IRT offers a promising approach for material defect detection and safety assurance, with evolving applications and trends.