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Metal to mould: alloy identification in experimental casting moulds using XRF

Kearns, T; Martinón-Torres, M; Rehren, T; (2010) Metal to mould: alloy identification in experimental casting moulds using XRF. Historical Metallurgy , 44 (1) pp. 48-58.

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Abstract

Archaeological moulds are often analysed for metal traces to identify the alloys cast in them. However, the relationships between an alloy and its corresponding trace on a mould are not simple, and few studies have investigated them. This paper reports experiments in which copper alloys of known compositions were cast in clay moulds. The moulds were analysed using energy-dispersive X-ray fluorescence to determine the remains different alloys left in them. Some metal oxides mechanically adhere to the mould, but their different thermochemical properties ultimately determine the extent to which they become chemically bonded to the fabric. The metals behave differently in the presence of one another, determining which of the constituents of particular alloys leave traces. Inferences can be made as to the original alloys cast in moulds, but any conclusions should be drawn with caution.

Type: Article
Title: Metal to mould: alloy identification in experimental casting moulds using XRF
Language: English
Additional information: Historical Metallurgy acknowledges that it is the author's responsibility to obtain permission for electronic and printed disseminations or illustrations. Copyright of texts published in Historical Metallurgy resides with the Historical Metallurgy Society though authors may make free use of their own material.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Institute of Archaeology > Institute of Archaeology Gordon Square
URI: https://discovery.ucl.ac.uk/id/eprint/93667
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