The effects of corrosion and conservation treatments on non-destructive neutron diffraction analysis of archaeological copper alloys: preliminary results

Frame, Lesley D., Freestone, I. C., Zhang, S. Y. and Nicholas, M. 2013. The effects of corrosion and conservation treatments on non-destructive neutron diffraction analysis of archaeological copper alloys: preliminary results. Archaeometry 55 (1) , pp. 68-80. 10.1111/j.1475-4754.2012.00676.x

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Abstract

Analysis of residual stress in archaeological copper alloy artefacts by neutron diffraction has considerable potential for the investigation of early fabrication processes. However, residual stresses in metals are known to relax due to conditions similar to those encountered during burial, corrosion and conservation. In this pilot study, we investigate the effects of corrosion and conservation on a small group of replica copper ingots. Although corrosion and light cleaning do indeed cause some relaxation of stresses in the metal, corrosion having the most significant effect, the basic patterns and major features of the stress profiles may still be seen.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	History, Archaeology and Religion
Subjects:	C Auxiliary Sciences of History > CC Archaeology
Uncontrolled Keywords:	copper alloy; bronze; technology; conservation; corrosion; non-destructive analysis; neutron diffraction; residual stress; strain measurement
Publisher:	Wiley-Blackwell
ISSN:	0003-813X
Last Modified:	19 Mar 2016 23:42
URI:	https://orca.cardiff.ac.uk/id/eprint/61526

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