Advanced sensing, degradation detection, diagnostic and prognostic capabilities for structural health management

Douglas Brown; Duane Darr; Jeffrey Morse; Raimondo Betti; Bernard Laskowski

doi:10.1117/12.918065

4 April 2012 Advanced sensing, degradation detection, diagnostic and prognostic capabilities for structural health management

Douglas Brown, Duane Darr, Jeffrey Morse, Raimondo Betti, Bernard Laskowski

Author Affiliations +

Proceedings Volume 8347, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2012; 83470G (2012) https://doi.org/10.1117/12.918065
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2012, San Diego, California, United States

Abstract

This paper presents a micro-sized Linear Polarization Resistance (μLPR) corrosion sensor for Structural Health Management (SHM) applications. The μLPR sensor is based on conventional macro-sized Linear Polarization Resistance (LPR) sensors with the additional benefit of a reduced form factor making it a viable and economical candidate for remote corrosion monitoring of high value structures, such as buildings, bridges, or aircraft. An experiment was conducted with eight μLPR sensors and four test coupons to validate the performance of the sensor. The results demonstrate the effectiveness of the sensor as an efficient means to measure corrosion. The paper concludes with a brief description of a typical application where the μLPR is used in a bridge cable.

Citation Download Citation

Douglas Brown, Duane Darr, Jeffrey Morse, Raimondo Betti, and Bernard Laskowski "Advanced sensing, degradation detection, diagnostic and prognostic capabilities for structural health management", Proc. SPIE 8347, Nondestructive Characterization for Composite Materials, Aerospace Engineering, Civil Infrastructure, and Homeland Security 2012, 83470G (4 April 2012); https://doi.org/10.1117/12.918065

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