Article
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Pollution and Heritage Metals
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and
Version 1
: Received: 15 November 2023 / Approved: 16 November 2023 / Online: 17 November 2023 (08:53:57 CET)
A peer-reviewed article of this Preprint also exists.
Thickett, D.; Batool, T. Pollution and Heritage Metals—Effectiveness of Oddy Testing and Mitigation. Materials 2023, 16, 7596. Thickett, D.; Batool, T. Pollution and Heritage Metals—Effectiveness of Oddy Testing and Mitigation. Materials 2023, 16, 7596.
Abstract
Metals are particularly sensitive to some pollutant gases. Many museum showcases and store rooms present atmospheres that can corrode cultural heritage artefacts containing metals. Whilst numerous strategies have been reported to mitigate such situations, avoiding them is preferable. Several approaches to testing materials used in construction, fitting out or dressing are used. The relative merits and drawbacks will be discussed. Several parameters of the most widely used, the accelerated corrosion ‘Oddy’ test have been investigated. The influence of abrasive on subsequent corrosion of lead and copper coupons have been assessed. Quantification methods for tested coupons are reviewed. The influence of test duration and temperature were assessed through comparison with real life, long term experience of materials behaviour. Direct contact tests with the material tested touching the test material has been investigated. Several materials present in artefacts are known to potentially cause corrosion when enclosed with metals in other artefacts. A number of situations have been investigated with pollution and RH and some corrosion rate measurements. Ways to isolate artefacts or mitigate are explored and a decision support model has been developed.
Keywords
pollution; metal; testing; mitigation
Subject
Arts and Humanities, Other
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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