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Proceedings Paper

Crack identification based on thin-film full-bridge strain sensors
Author(s): Shue-Ting E. Tung; Yao Yao; Branko Glisic
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Paper Abstract

A sensing sheet based on large-area electronics consists of a dense array of discrete short-gauge sensor units, integrated circuits for collecting, analyzing and communicating data, and a flexible photovoltaic system that serves as both a power harvester and a protective layer. We investigated the sensitivity of thin-film full-bridge strain sensors to cracks, and the effect of crack position with respect to the sensor. In general, the results of this research show that full-bridge strain sensors can successfully detect and characterize cracks in structural materials and are therefore good candidates to utilize in a sensing sheet.

Paper Details

Date Published: 10 April 2014
PDF: 9 pages
Proc. SPIE 9061, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014, 90610Y (10 April 2014); doi: 10.1117/12.2045426
Show Author Affiliations
Shue-Ting E. Tung, Princeton Univ. (United States)
Yao Yao, Princeton Univ. (United States)
Branko Glisic, Princeton Univ. (United States)


Published in SPIE Proceedings Vol. 9061:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2014
Jerome P. Lynch; Kon-Well Wang; Hoon Sohn, Editor(s)

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