Here, we focus on the hydromechanical behavior of self-standing clay films with a thickness of a few dozen microns. We measure their elastic and creep properties and how those properties depend on the interlayer cation and on the relative humidity (or water content). Those experimental results are compared with the elastic and creep behavior of nanometric clay particles, which we characterize by molecular simulations. Significant qualitative differences between the behavior of the clay films and that of the clay particles are observed, which suggests that the hydromechanical behavior of the clay films is significantly impacted by their mesostructure (i.e., by how the clay particles or tactoids are arranged in space). Upscaling the hydromechanical behavior of the clay films from that of the clay particles may be challenging.
CITATION STYLE
Carrier, B., Vandamme, M., Pellenq, R., & Van Damme, H. (2017). Measurement of mechanical properties of thin clay films and comparison with molecular simulations. In Springer Series in Geomechanics and Geoengineering (pp. 78–84). Springer Verlag. https://doi.org/10.1007/978-3-319-52773-4_8
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