Development and performance evaluation of self adhesive sputtered thin film strain gauges

Authors

  • Shreyas P. Bhat Indian Institute of Science, Bengaluru, India & REVA University, Bengaluru, India
  • B. Pavithra Indian Institute of Science, Bengaluru, India
  • S. H. Bharath REVA University, Bengaluru, India
  • M. M. Nayak Indian Institute of Science, Bengaluru, India

Keywords:

Thin Film, Thin Film Strain Gauge, Self-Adhesive, Sputtering, Piezoresistivity, ITO, NiCr

Abstract

In many industrial and academic applications force, pressure and displacement are measured using strain gauges bonded with adhesives on the object to be tested. This paper presents development and performance investigation of non-intrusive self adhesive Thin Film Strain Gauges (TFSGs) for applications demanding quick gauge installation on test objects; eliminating a conventional step of applying adhesives for installation and curing. Self adhesive TFSGs of NiCr (metal alloy) and ITO (degenerate semiconductor) are fabricated. Distinction in the piezoresistive responses and gauge factor of metal alloy and degenerate semiconductor thin film strain gauges are measured and studied by cantilever beam bending method.

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Published

01-10-2020

How to Cite

Bhat, S. P., Pavithra, B., Bharath, S. H., & Nayak, M. M. (2020). Development and performance evaluation of self adhesive sputtered thin film strain gauges. Manufacturing Technology Today, 19(10), 27–32. Retrieved from https://mtt.cmti.res.in/index.php/journal/article/view/110

Issue

Vol. 19 No. 10 (2020): October 2020

Section

Articles

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