Influence de la lyophilisation sur la structure d'une argile sensible du Québec
- 1 April 1984
- journal article
- Published by Mineralogical Society in Clay Minerals
- Vol. 19 (2), 151-160
- https://doi.org/10.1180/claymin.1984.019.2.03
Abstract
Resume: L' étude de la structure d' une argile sensible du Québec est abordée en porosimétrie au mercure après lyophilisation et en microscopie électronique à balayage sur une surface obtenue par fracture de l' échantillon congelé (système Cryoscan). On observe une structure en agrégats définissant deux classes de pores. A grande vitesse de congélation, la cristallisation de la glace semble surtout affecter les points faibles de la structure, qui sont les ponts de plaquettes reliant les agrégats les uns aux autres.Keywords
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