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Temperature Detectable Surface Coating with Carbon Nanotube/Epoxy Composites
Seung-Jun Lee1, Yu-Jin Jung2, JeeWoong Park3
1Department of Civil and Environmental Engineering, Hanyang University, Seoul 04763, Korea.
Nanomaterials (Basel, Switzerland)
|July 27, 2022
Summary
A new carbon nanotube (CNT) and epoxy coating effectively senses temperature changes. This advanced material shows promise for monitoring high and freezing temperatures in machinery and construction applications.
Area of Science:
- Materials Science
- Nanotechnology
- Engineering
Background:
- Temperature significantly impacts machinery and construction, necessitating effective monitoring.
- Current temperature management solutions may lack versatility for diverse structures.
Purpose of the Study:
- To develop and evaluate a carbon nanotube (CNT)-based temperature sensing coating.
- To assess the coating's performance across various temperatures and structural types.
Main Methods:
- Fabrication of a nanocomposite coating using carbon nanotubes (CNT) and epoxy (EP).
- Investigation of electrical properties based on CNT concentration.
- Evaluation of temperature sensing performance under static, cyclic, heating, and cooling conditions.
Main Results:
- Electrical conductivity increased with higher CNT concentrations.
- The CNT/EP coating demonstrated high sensing performance in both high and sub-zero temperature ranges.
- A negative temperature coefficient of resistance was observed.
Conclusions:
- The developed CNT/EP coating is a promising multi-functional material for temperature detection.
- The coating offers effective monitoring capabilities for extreme temperatures (high and freezing).
- Potential applications include enhancing safety and efficiency in the construction and machinery industries.
