Steiger, M (2005) Salts in Porous Materials: Thermodynamics of Phase Transitions, Modeling and Preventive Conservation. Restoration of Buildings and Monuments, 11 (6). pp. 419-432.

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Abstract

The thermodynamics of phase equilibria of salts in porous materials is discussed including all relevant phase transition reactions such as crystallization - dissolution, hydration - dehydration, and the freeze-thaw equilibrium of water. The treatment of binary systems, i.e. only one salt and water, yields binary phase diagrams that provide all information required for preventive conservation by environmental control. In the case of salt mixtures, a model approach is more appropriate to predict phase equilibria and safe ranges of environmental conditions. The properties of thermodynamic models are reviewed and several examples for the crystallization behaviour of mixed salt systems are provided. Finally, possible applications of thermodynamic models and their potential limits are discussed.

Item Type:	Article
Uncontrolled Keywords:	Salt; Climate control; Monitoring; Preventive conservation; Thermodynamic modeling
Subjects:	?? Salt ?? English > Damage functions > Salt damage ?? monitor ??
Depositing User:	Anna Samuelsson
Date Deposited:	10 Jun 2008 09:10
Last Modified:	04 Apr 2017 12:55
URI:	http://eprints.sparaochbevara.se/id/eprint/434

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