42 citations · 101 across the 5 of their papers we have counts for
5 papers
Grain-size effects during semi-brittle flow of calcite rocks
Christopher Harbord, Nicolas Brantut, David Wallis
We study the role of grain size in the rheological behaviour of calcite aggregates in the semi-brittle regime. We conduct triaxial deformation tests on three rocks, Solnhofen limes…
Biominerals with Texture Gradients are Functionally Graded Bioceramics Toughened by Stress Delocalization
David Wallis, Joe Harris, Corinna F. Böhm +10
Biomineralizing organisms are widely noted and extensively studied due to their ability to generate structures exhibiting exceptional crystallographic control. Primarily, it is the…
Dislocation interactions in olivine control postseismic creep of the upper mantle
David Wallis, Lars N. Hansen, Angus J. Wilkinson +1
Changes in stress applied to mantle rocks, such as those imposed by earthquakes, induce a period of evolution in viscosity and microstructure. This transient creep is often modelle…
Dislocation interactions during low-temperature plasticity of olivine strengthen the lithospheric mantle
David Wallis, Lars. N. Hansen, Kathryn M. Kumamoto +12
The strength of the lithosphere is typically modelled based on constitutive equations for steady-state flow. However, models of lithospheric flexure reveal differences in lithosphe…
Insight into the microphysics of antigorite deformation from spherical nanoindentation
Lars N. Hansen, Emmanuel C. David, Nicolas Brantut +1
The mechanical behavior of antigorite strongly influences the strength and deformation of the subduction interface. Although there is microstructural evidence elucidating the natur…