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Techniques for In Situ Monitoring the Performance of Organic Coatings and Their Applicability to the Pre-Finished Steel Industry: A Review

Tim Savill Orcid Logo, Eifion Jewell Orcid Logo

Sensors, Volume: 21, Issue: 19, Start page: 6334

Swansea University Authors: Tim Savill Orcid Logo, Eifion Jewell Orcid Logo

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DOI (Published version): 10.3390/s21196334

Abstract

A review is carried out in this paper into techniques that currently exist for, of have the potential to be used for, monitoring the performance of organic coating. Specific attention is paid to the applicability of each method to pre-finished steel used in the construction industry as these are rar...

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Published in: Sensors
ISSN: 1424-8220
Published: MDPI AG 2021
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa58042
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Abstract: A review is carried out in this paper into techniques that currently exist for, of have the potential to be used for, monitoring the performance of organic coating. Specific attention is paid to the applicability of each method to pre-finished steel used in the construction industry as these are rarely monitored in situ and their expected performance is often only estimated from lab-based accelerated corrosion testing. Monitoring could allow more accurate estimates of building cladding lifespan and required maintenance schedules; provide customers with active performance data; additionally, with a better understanding of performance, more appropriate coatings or coating weights could be selected for a construction project, offering economic benefits as part of smart building developments. An introduction to coatings, their use for corrosion protection, failure mechanisms, and relevant monitoring techniques is given before current assessment techniques are described in terms of their working principles. Examples of recent work are presented for the techniques that have been investigated for monitoring or directly relatable purposes. The review concludes that there are several good reasons why an optimum corrosion monitoring technology does not currently exist, however, promising research is emerging in the field of wireless and embedded sensor design which is providing optimistic results.
Keywords: corrosion sensing; organic coating sensing; in situ; pre-finished steel
College: College of Engineering
Funders: UKRI (EPSRC); European Social Fund via the Welsh Government EP/L015099/1; c80816
Issue: 19
Start Page: 6334