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The role of computed tomography in understanding inhibitor release from coatings

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Version 2 2024-06-06, 08:01
Version 1 2019-04-03, 20:09
conference contribution
posted on 2024-06-06, 08:01 authored by AE Hughes, S Ranade, YS Yang, Mike Yongjun TanMike Yongjun Tan
The mechanism of inhibitor release from coatings containing corrosion inhibitors is important in many industries from aerospace to infrastructure. Models of release often assume Fickian diffusion and treat the polymer matrix as a medium through which this occurs. However, the details of structures within coatings including those based on polymer structures, inorganic particles (such as fillers) and inhibitors is poorly explored. X-ray and backscattered electron computed tomography (X-ray CT and BSE-CT respectively) based on a variety of techniques are revealing the rich variety of structures that exist with paint coatings and shedding new light on transport mechanisms within these coatings. X-ray CT can be based on a range of different measurements including the most commonly used probe of X-ray absorption and to a lesser extent backscattered electron contrast. This paper provides an overview of the use of some of these types of techniques in investigating paint structure for pipeline coatings.

History

Pagination

1-7

Location

Adelaide, S. Aust.

Open access

  • Yes

Start date

2018-11-11

End date

2018-11-14

Language

eng

Publication classification

E Conference publication, E1 Full written paper - refereed

Copyright notice

2018, Australasian Corrosion Association

Editor/Contributor(s)

[Unknown]

Title of proceedings

Corrosion and Prevention 2018 : Proceedings of the Corrosion and Prevention Conference 2018

Event

Australian Corrosion Association. Conference (2018 : Adelaide, S. Aust.)

Publisher

Australasian Corrosion Association

Place of publication

Kerrimuir, Vic.

Series

Australian Corrosion Association Conference