Simona Maria CURSARU-HERLEA
Lucian Blaga University of Sibiu
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Degradation Agents and Forms of Degradation of Ceramic Objects
Abstract: This article aims to present the effects of the agents of deterioration on ceramics. We focus here on the agents of deterioration that act on the ceramic artifacts in the epoch they were created, on the agents of deterioration that affect these objects in the environment they were preserved, sometimes during thousands of years (in soil, in water and in the internal and external undersurface), but also on the agents of deterioration and the degradation that can occur during or after these artifacts have been removed from the environment they were found in, e.g. during sampling, cleaning, drawing, packaging, or in museums, during storing, exhibiting, or when doing conservation or restoration work. Hence, we refer to archaeological ceramics found in soil or marine environments, decorative ceramics from architectural contexts and to ethnographic ceramics. Detecting the mistakes made in the technological process of ceramic production which lead to defects/ vices that can cause degradation of the ceramic material even after removing it from the environment in which it was preserved and highlighting the external deterioration agents which affect ceramics under various forms are mandatory in order to adopt a correct methodology for the preservation and restoration of ceramic objects.
Keywords: Ceramics, technological vices, agents of deterioration, physical forces, water, pollutants and contaminants, incorrect relative humidity.
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