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Elimination of swelling stresses from measurements of the equilibrium constant in silica

Fett, Theo; Schell, K. G. ORCID iD icon

Abstract:

The reaction of water with silica is described by the equilibrium constant k. This property depends on temperature and is affected by stresses. The experimental determination of k is in most cases carried out in presence of swelling stresses. Knowledge of the reaction volume $\Delta$$\overline{V}$ allows an elimination of the swelling stresses and the determination of an equilibrium constant for the case of a stress-free material. An analytical expression of k$_{0}$ as a function of temperature, k$_{0}$=f(T), will be suggested.


Volltext §
DOI: 10.5445/IR/1000093908
Veröffentlicht am 18.04.2019
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Angewandte Materialien – Keramische Werkstoffe und Technologien (IAM-KWT1)
Publikationstyp Forschungsbericht/Preprint
Publikationsjahr 2019
Sprache Englisch
Identifikator ISSN: 2194-1629
KITopen-ID: 1000093908
Verlag Karlsruher Institut für Technologie (KIT)
Umfang VI, 9 S.
Serie KIT Scientific Working Papers ; 117
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
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