Thermal indicating paints for ammunition health monitoring

James L. Zunino III; Zafar Iqbal

doi:10.1117/12.847654

30 March 2010 Thermal indicating paints for ammunition health monitoring

James L. Zunino III, Zafar Iqbal

Author Affiliations +

Proceedings Volume 7646, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2010; 76461K (2010) https://doi.org/10.1117/12.847654
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

Thermochromic semiconductive polymers that change color in response to external stimuli, such as heat and radiation, can be utilized to monitor the temperature range and elapsed time profiles of stored and prepositioned munitions. These polymers are being tailored to create paints and coatings that will alert Army logistic staff of dangerous temperature exposures. Irreversible indication via color change in multiple thermal bands, 145 F - 164 F (63o-73°C), 165 F - 184 F (74° - 84° C) and over 185 F (>85°C) are possible with these thermochromic polymers. The resulting active coating can be visually inspected to determine if safe temperatures were exceeded. More detailed information, including cumulative time of exposure in certain temperature bands through changes in optical chromaticity describing the vividness or dullness of a color, can be assessed using a hand-held optical densitometer.

Citation Download Citation

James L. Zunino III and Zafar Iqbal "Thermal indicating paints for ammunition health monitoring", Proc. SPIE 7646, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2010, 76461K (30 March 2010); https://doi.org/10.1117/12.847654

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