We have developed methods for creating a highly expandable temperature sensor network for distributed temperature measurement. Stresses and strains due to network expansion are minimized through finite element analysis. Through the use of a uniquely patterned polyimide substrate and wire pattern an expansion ratio of 1,000% is achieved and the electrical resistance of components is maintained from pre-expansion to full expansion. Platinum resistance temperature detectors and electrodes are integrated directly in the polyimide-based network through a non-standard micro fabrication process. Calibration and interpolation algorithms have been developed for temperature measurement. Real-time distributed temperature measurement has been achieved through this sensor network, and it has shown great potential to be integrated into composites.


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    Title :

    Micro-fabricated, expandable temperature sensor network for macro-scale deployment in composite structures


    Contributors:
    Zhiqiang Guo, (author) / Kyunglok Kim, (author) / Lanzara, G (author) / Salowitz, N (author) / Peumans, P (author) / Fu-Kuo Chang, (author)

    Published in:

    Publication date :

    2011-03-01


    Size :

    1270874 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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