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Anisotropic Swelling for different Stress States

Fett, Theo; Schell, Günter ORCID iD icon; Rizzi, Gabriele


Water reacting with silica causes the generation of hydroxyl SiOH accompanied by a volume or swelling expansion. The principle of LeChatelier ensures that the hydroxyl concentration increases with increasing externally applied stresses. From the analysis in [1] it becomes obvious that
a) the hydroxyl concentration must depend on the multi-axiality of the applied stresses, and
b) that the swelling effect is anisotropic.
On the basis of the results in [1] it will be shown that under torsion loading the strongest effects should occur.

Volltext §
DOI: 10.5445/IR/1000087721
Veröffentlicht am 22.11.2018
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Angewandte Materialien – Keramische Werkstoffe und Technologien (IAM-KWT1)
Publikationstyp Forschungsbericht/Preprint
Publikationsjahr 2018
Sprache Englisch
Identifikator ISSN: 2194-1629
KITopen-ID: 1000087721
Verlag Karlsruher Institut für Technologie (KIT)
Umfang VI, 9 S.
Serie KIT Scientific Working Papers ; 104
KIT – Die Forschungsuniversität in der Helmholtz-Gemeinschaft
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