5 April 2012 Advanced sensing, degradation detection, diagnostic and prognostic capabilities for structural health management
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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.
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Douglas Brown, Duane Darr, Jeffrey Morse, Raimondo Betti, 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 (5 April 2012); doi: 10.1117/12.918065; https://doi.org/10.1117/12.918065
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KEYWORDS
Corrosion

Sensors

Electrodes

Polarization

Resistance

Bridges

Metals

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