Investigating stitched support techniques for tapestry using digital image correlation

Lennard, F. , Costantini, R. and Harrison, P. (2022) Investigating stitched support techniques for tapestry using digital image correlation. Studies in Conservation, (doi: 10.1080/00393630.2022.2083414) (Early Online Publication)

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This paper reports on an investigation into stitching techniques used to secure woven tapestry artefacts to fabric supports. A research project used digital image correlation (DIC) as a method of evaluating commonly used tapestry support techniques, with stitching tests carried out on wool rep fabric and a historic tapestry fragment. Though it was necessary to first establish parameters for use, DIC proved very helpful for evaluating the effects of these treatments. It demonstrated that damage leads to high levels of deformation and strain, and that extension and creep are mitigated by stitched support. It was shown that a patch support gives good results if the tapestry is damaged in a discrete area, while a full fabric support provides better overall support for weak areas, even if they are not themselves stitched to the support fabric. In general, it was clear that the closer the stitching, the lower the strain. However, comparing global and local strain showed that very closely spaced stitching constrained the stitched area more than the sample overall. This investigation suggests that it is not necessary to carry out intensive stitching to provide good overall support. DIC could allow us to optimise the amount of stitching necessary for a successful support treatment of a tapestry, though further treatment may be carried out to provide visual compensation for loss. It was concluded that both a full stitched support and a partial stitched support in combination with a fabric-covered vertical mount provide effective reinforcement.

Item Type:Articles
Additional Information:This work was supported by the Leverhulme Trust under Grant number RPG-2015-179.
Status:Early Online Publication
Glasgow Author(s) Enlighten ID:Costantini, Ms Rosa and Harrison, Dr Philip and Lennard, Professor Frances
Authors: Lennard, F., Costantini, R., and Harrison, P.
College/School:College of Arts > School of Culture and Creative Arts
College of Arts > School of Culture and Creative Arts > History of Art
College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Studies in Conservation
Publisher:Taylor & Francis
ISSN (Online):2047-0584
Published Online:11 June 2022
Copyright Holders:Copyright © 2022 The Author(s)
First Published:First published in Studies in Conservation 2022
Publisher Policy:Reproduced under a Creative Commons licence

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