Measurement of transient temperature and heat flux has attained enormous importance with the recent advancement in technology. Certain situations demand transient measurements to be performed for extremely short durations (approximately few seconds) which in turn call for sensors capable of responding within microseconds or even less. Thin-film gauges (TFGs), a particular class of resistance temperature detectors (RTDs), are such kind of sensors which are suitable for above requirements due to their quick and precise measurements in transient environments. The present work aims at designing an in-house fabrication and calibration of fast response TFG prepared by depositing nanocarbon layer on silver films as a laminated composite topping to enhance thermal and electrical properties. A significant improvement in the thermal and electrical conductivity of the composite sensor is observed when compared to gauges made from pure metals.
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October 2016
Research-Article
Thin-Film Gauges Using Carbon Nanotubes as Composite Layers
Shrutidhara Sarma,
Shrutidhara Sarma
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: s.shrutidhara@iitg.ernet.in
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: s.shrutidhara@iitg.ernet.in
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Niranjan Sahoo,
Niranjan Sahoo
Professor
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: shock@iitg.ernet.in
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: shock@iitg.ernet.in
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Aynur Unal
Aynur Unal
Visiting Professor
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: aynurunal@iitg.ernet.in
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: aynurunal@iitg.ernet.in
Search for other works by this author on:
Shrutidhara Sarma
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: s.shrutidhara@iitg.ernet.in
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: s.shrutidhara@iitg.ernet.in
Niranjan Sahoo
Professor
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: shock@iitg.ernet.in
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: shock@iitg.ernet.in
Aynur Unal
Visiting Professor
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: aynurunal@iitg.ernet.in
Department of Mechanical Engineering,
Indian Institute of Technology Guwahati,
Guwahati 781 039, India
e-mail: aynurunal@iitg.ernet.in
1Corresponding author.
Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received August 22, 2015; final manuscript received May 25, 2016; published online July 29, 2016. Assoc. Editor: Irene Beyerlein.
J. Eng. Mater. Technol. Oct 2016, 138(4): 041014 (8 pages)
Published Online: July 29, 2016
Article history
Received:
August 22, 2015
Revised:
May 25, 2016
Citation
Sarma, S., Sahoo, N., and Unal, A. (July 29, 2016). "Thin-Film Gauges Using Carbon Nanotubes as Composite Layers." ASME. J. Eng. Mater. Technol. October 2016; 138(4): 041014. https://doi.org/10.1115/1.4033909
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