Experimental setup of continuous ultrasonic monitoring for corrosion assessment

Suchato, Nutthawut, Kalashnikov, Alexander, Light, Roger and Sharples, Steve (2017) Experimental setup of continuous ultrasonic monitoring for corrosion assessment. In: 2017 IEEE International Ultrasonics Symposium, September 6-9, 2017, Washington D.C., USA.

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The paper is devoted to the ultrasonic monitoring of accelerated corrosion. In order to achieve non-uniform corrosion (high surface roughness), passivation was applied to the corroding surface. A dedicated electronic multiplexed four channel front end was developed in order to feed the amplified waveforms from several transducers to the recording instrument. The experiment was conducted using two 5 MHz and two 10 MHz ultrasonic transducers all operating in the pulse echo mode. The transducers were excited in turn using gated bursts, and the received echoes were multiplexed and amplified before being digitized by a high accuracy ultrasonic instrument. Application of adaptive cross correlation to the recorded data allowed continuous thickness estimation of the non-uniformly corroded surface whilst cross correlation method gave unsatisfactory results.

Item Type: Conference or Workshop Item (Paper)
RIS ID: https://nottingham-repository.worktribe.com/output/891404
Additional Information: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: On-uniform corrosion; Electroplating current; Accelerated corrosion; Ultrasonic monitoring; Ultrasonic thickness estimates
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Related URLs:
Depositing User: Light, Roger
Date Deposited: 06 Sep 2017 08:53
Last Modified: 04 May 2020 19:15
URI: https://eprints.nottingham.ac.uk/id/eprint/45459

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