10 results found
Albelda Berenguer M, Monachon M, Jacquet C, et al., 2019, Biological oxidation of sulfur compounds in artificially degraded wood, International Biodeterioration & Biodegradation, Vol: 141, Pages: 62-70, ISSN: 0964-8305
Schofield EJ, 2018, Illuminating the past: X-ray analysis of our cultural heritage, Nature Reviews Materials, Vol: 3, Pages: 285-287
Simon H, freestone I, Cibin G, et al., 2018, A Synchrotron‐Based Study of the Mary Rose Iron Cannonballs, Angewandte Chemie, Vol: 57, Pages: 7390-7395, ISSN: 1521-3757
Post‐excavation iron corrosion may be accelerated by the presence of Cl−, leading to conservation methods designed to remove Cl. This study exploits a unique opportunity to assess 35 years of conservation applied to cast‐iron cannon shot excavated from the Mary Rose. A combination of synchrotron X‐ray powder diffraction (SXPD), absorption spectroscopy (XAS), and fluorescence (XRF) mapping have been used to characterise the impact of conservation on the crystalline corrosion products, chlorine distribution, and speciation. The chlorinated phase akaganeite, β‐FeO(OH,Cl), was found on shot washed in corrosion inhibitor Hostacor IT with or without an additional reduction stage. No chlorinated phases were observed on the surface of shot stored in sodium sesquicarbonate (Na2CO3/NaHCO3); however, hibbingite, β‐Fe2(OH)3Cl, was present in metal pores. It is proposed that surface β‐FeO(OH,Cl) formed in the early stages of active conservation owing to oxidation of β‐Fe2(OH)3Cl at near‐neutral pH.
Schofield EJ, Sarangi R, Mehta A, et al., 2016, Strontium carbonate nanoparticles for the surface treatment of problematic sulfur and iron in waterlogged archaeological wood, Journal of Cultural Heritage, Vol: 18, Pages: 306-312, ISSN: 1296-2074
Schofield EJ, Delaveris C, Sarangi R, 2015, Alkaline earth carbonates for the treatment of problematic sulfur associated with marine archeological wood, Journal of Archaeological Science: Reports, Vol: 4, Pages: 427-433, ISSN: 2352-409X
Preston J, Smith AD, Schofield EJ, et al., 2014, The Effects of Mary Rose Conservation Treatment on Iron Oxidation Processes and Microbial Communities Contributing to Acid Production in Marine Archaeological Timbers, PLoS ONE, Vol: 9, Pages: e84169-e84169
Chadwick AV, Schofield EJ, Jones AM, et al., 2012, Ionic nanoparticles in heritage conservation; treatments for the Mary Rose timbers, Solid State Ionics, Vol: 225, Pages: 742-746, ISSN: 0167-2738
Chadwick AV, Berko A, Schofield EJ, et al., 2012, Application of Microfocus X-Ray Beams from Synchrotrons in Heritage Conservation, International Journal of Architectural Heritage, Vol: 6, Pages: 228-258, ISSN: 1558-3058
Schofield EJ, Ingham B, Turnbull A, et al., 2008, Strain development in nanoporous metallic foils formed by dealloying, APPLIED PHYSICS LETTERS, Vol: 92, ISSN: 0003-6951
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