Ultrasonic drilling for the characterisation of building stones and salt induced decay

Dassow, J., Li, X. , Lee, M.R. , Young, M. and Harkness, P. (2020) Ultrasonic drilling for the characterisation of building stones and salt induced decay. Ultrasonics, 101, 106018. (doi:10.1016/j.ultras.2019.106018)

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Abstract

Historic stone buildings can experience severe decay through salt induced weathering. Decay can be easily seen with the eye but can also occur below the surface. Characterising the changes in the material’s structural properties induced by weathering is essential for the evaluation of durability of the stone and for the decision on the best conservation strategy to maintain built heritage. Minimally invasive, in situ tools are needed to establish the location and state of decay at the site. Here an ultrasonic drilling tool is introduced with a specially manufactured tip to monitor subsurface properties of sandstones. Different types of sandstones with varying compressive strength are tested and an artificially weathered sample is investigated. The tool tip wear and exerted force on the drilled samples are evaluated and compared to conventional drilling. Ultrasonic drilling shows promising results for the use in conservation science to assess stone properties and decay.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Dassow, Jessica and Li, Dr Xuan and Lee, Professor Martin and Harkness, Dr Patrick
Authors: Dassow, J., Li, X., Lee, M.R., Young, M., and Harkness, P.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
College of Science and Engineering > School of Geographical and Earth Sciences
Journal Name:Ultrasonics
Publisher:Elsevier
ISSN:0041-624X
ISSN (Online):1874-9968
Published Online:12 September 2019
Copyright Holders:Copyright © 2019 Elsevier B.V.
First Published:First published in Ultrasonics 101: 106018
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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