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| Home > Publications database > Reproduction and non destructive investigation of Bronze Age metal axes |
| Conference Presentation (After Call) | PUBDB-2015-06319 |
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2015
Abstract: In an ongoing research project of the archaeological state museum Gottorf Palace inSchleswig and the Deutsches Elektronen-Synchrotron in Hamburg the manufacturingtechniques of predominantly Neolithic bronze axes were investigated. In an iterative processof reproduction of historic objects with modern and historic methods and comparison of nondestructive measurements performed on replicas and originals the effects of different possibleproductions steps are monitored. Storage ring based techniques as X-ray diffraction intransmission and reflection geometry are used to investigate effects of cast and post casttreatment of bronze axes, while in parallel X-ray fluorescence spectroscopy deliversinformation on the stoichiometry of the bronze. Primarily the effects of stone tools and thecasting process on the resulting bronze axes are addressed [1, 2]. The replicas are cast in amodern casting process with sand and clay molds in the foundry museum “HowaldtscheMetallgiesserei e.V.” (Kiel, Germany) and with a quasi Neolithic casting process at GottorfPalace. The measurements were performed in Hamburg at the DESY storage rings DORISand PETRA using Beamlines BW5, G3, L, P02, P07 and W2.Besides some answers to archaeological questions the experiments lead to the discovery of afaked 19th century hoard find which unsuspiciously had been on display in the museum since150 years [3].[1] M. Freudenberg, Normes techniques et pratiques sociales: de la simplicité des outillages pré- et protohistoriques,2006, 313-320.[2] M. Freudenberg, Archäologisches Korrespondenzblatt 39,2009, 341-359.[3] M. Freudenberg, L. Glaser, Prähistorische Bronzefunde - PBF XX, 14, 2015, (article in press).
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