Glass-Adhesive-Steel Joint Inspection Using Mechanic and High Frequency Electromagnetic Waves

Area of Science:

• Materials Science and Engineering
• Non-Destructive Testing (NDT)
• Manufacturing Process Control

Background:

• Glass-adhesive-steel joints are increasingly used in machine and vehicle production.
• Defects like lack of adhesion are common but difficult to detect visually due to non-transparent layers.
• A non-destructive method is needed to ensure adhesive path continuity.

Purpose of the Study:

• To develop and evaluate a non-destructive procedure for examining adhesive path continuity in glass-adhesive-steel joints.
• To integrate multiple testing methods for comprehensive defect detection.
• To establish a foundation for an automated defect evaluation system.

Main Methods:

• Utilized ultrasound, thermographic, and electromagnetic (microwave and terahertz frequency) testing methods.
• Considered the distinct physical properties of glass, adhesive, and steel components.
• Integrated results from different methods into a common coordinate space using opinion pooling strategies.

Main Results:

• Demonstrated the capability of combined NDT methods to examine joint integrity comprehensively.
• Successfully fused data from diverse testing modalities to highlight adhesive continuity.
• Obtained promising results indicating the effectiveness of the integrated approach for defect detection.

Conclusions:

• The integrated non-destructive testing approach provides a robust method for evaluating adhesive continuity in glass-adhesive-steel joints.
• The findings support the development of an automated system for detecting a wide range of defects.
• Further research is warranted to refine the integrated system for industrial applications.