Academic thesis

Evelyn Alvarez-Dossmann: A Group of metal bells in the shape of owls from the State Museum of Ethnology in Munich Back
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Abstract: This dissertation deals with the analysis, conservation and restoration of old peruvian copper bells, which are subject to chloride corrosion. They exist in combination with mineralised and non-mineralised textile remains. Based on a discussion about the possibilities of removing the corrosion without damaging the metal surface, laser technology is tested as an alternative to mechanical cleaning methods. The sensitivity of the textile fibres in relation to the laser radiation are examined as well. In the following restoration the volatile binding agent cyclododecane is used to temporarily consolidate the textile material for the process of mechanical cleaning and to make it hydrophobic during the following inhibition of the active chloride-corrosion in a benzotriazole-bath.

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Keywords: old Peru, copper bells, chloride-corrosion, textile remains, laser technology, cyclododecane, mechanical cleaning, inhibition
Details:
  • academic institution:  Hochschule für Technik und Wirtschaft Berlin
  • kind of theses:  Diplomarbeit
  • main Tutor:  Prof. Dr. Matthias Knaut
  • assistant Tutor:  Prof. Dr. Josef Riederer
  • date:  2004
  • Language:  German
  • pages:  141
  • pictures:  75
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