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Quantitative Evaluation of Composite Recyclability Using Visible-Light Microscopy and Image Processing Techniques
Róża Dzierżak1, Jolanta Sobczak2, Gaweł Żyła3
1Department of Electronics and Information Technology, Lublin University of Technology, ul. Nadbystrzycka 38 A, 20-618 Lublin, Poland.
Materials (Basel, Switzerland)
|October 16, 2025
Summary
This study introduces a new method to quantitatively assess composite recycling quality. Using microscopy and image processing, the research demonstrated a significant decrease in tungsten particle density after recycling, confirming the method
Area of Science:
- Materials Science
- Composite Materials Engineering
Background:
- Composite materials offer unique properties for industrial and medical uses.
- Evaluating the recyclability and quality of composite end-of-life management is a significant challenge.
- Current quantitative assessment methods for composite recycling are limited.
Purpose of the Study:
- To develop and present a quantitative methodology for assessing composite recycling quality.
- To utilize a paraffin-based microcomposite with tungsten particles as a model system.
- To establish a reliable metric for recycling efficiency.
Main Methods:
- Employed visible-light microscopy combined with digital image processing techniques.
- Focused on quantitative metrics derived from image analysis.
- Utilized common and uncomplicated scientific tools for accessibility.
Main Results:
- A significant decrease in average particle density was observed, from 43.30% to 8.30%.
- The methodology provided clear quantitative data on recycling efficiency.
- The chosen microcomposite system effectively demonstrated the assessment capabilities.
Conclusions:
- The developed methodology offers a robust approach for quantitative assessment of composite recycling quality.
- The findings highlight the potential for improved end-of-life management strategies for composites.
- Visible-light microscopy and digital image processing are effective tools for evaluating recycling processes.
