Recent progress in the restoration of archeological metallic artifacts by means of low-pressure plasma treatment |
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| Authors: | S Vepřek Ch Eckmann J Th Elmer |
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| Institution: | (1) Institute of Inorganic Chemistry, University of Zürich, Winterthurerstrasse 190, CH 8057 Zürich, Switzerland;(2) Römisch-Germanisches Zentralmuseum Mainz, Ernst-Ludwig-Platz 2, D 6500 Mainz, Federal Republic of Germany;(3) Swiss National Museum, Museumstrasse 2, CH 8023 Zürich, Switzerland |
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| Abstract: | A new method for the restoration and conservation of archeological artifacts made of metals, such as iron, silver, bronze, and others, has been developed and succesfully tested on more than 14,000 objects. Compared with the conventional restoration techniques, the method, which is based on a partial reduction of the incrustation and corrosion layer by a hydrogen-containing glow discharge plasma, offers significant advantages as regards the quality of the surface of the objects, their stability against postcorrosion, and time and labor savings. The present status of the development will be described, which allows the conservator a routine application of the new method. |
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| Keywords: | Glow discharge restoration archeological artifacts |
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