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DOI: 10.5445/IR/1000083681
Veröffentlicht am 21.06.2018

Water concentration and swelling stresses at silica surfaces derived from literature data - Estimation of mass-transfer coefficients

Fett, Theo; Schell, Günter

Abstract:
Monotonously increasing water concentrations at silica surfaces can be described by a mass transfer surface condition for diffusion that hinders free water penetration from a water vapour environment into silica. So far, the related mass transfer coefficient has been determined predominantly for tests at temperatures $\geq \ $250°C. For an extension of the database, experimental results from literature at temperatures $\leq \ $200°C are studied. These measurements are surface water concentrations and disk curvature
measurements, both under saturation vapour pressure.


Zugehörige Institution(en) am KIT Fakultät für Maschinenbau (MACH)
Institut für Angewandte Materialien - Keramische Werkstoffe und Technologien (IAM-KWT)
Publikationstyp Forschungsbericht
Jahr 2018
Sprache Englisch
Identifikator ISSN: 2194-1629
URN: urn:nbn:de:swb:90-836818
KITopen ID: 1000083681
Verlag KIT, Karlsruhe
Umfang VI, 9 S.
Serie KIT Scientific Working Papers ; 94
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