The Role of Grain Boundaries in Low‐Temperature Plasticity of Olivine Revealed by Nanoindentation

The rheological properties of olivine influence large‐scale, long‐term deformation processes on rocky planets. Studies of the deformation of olivine at low temperatures and high stresses have emphasized the importance of a grain‐size effect impacting yield stress. Laboratory studies indicate that ag...

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Veröffentlicht in:	Journal of geophysical research. Solid earth 2023-08, Vol.128 (8), p.n/a
Hauptverfasser:	Avadanii, Diana, Hansen, Lars, Marquardt, Katharina, Wallis, David, Ohl, Markus, Wilkinson, Angus
Format:	Artikel
Sprache:	eng
Schlagworte:	Bicrystals Boundaries Crystal defects Crystals Defects Deformation Diamonds Distribution Earth Earth mantle Geophysics Grain boundaries Grain sub boundaries Grains Interfaces Low temperature Mechanical properties Nanoindentation Olivine Physics Plastic properties Plasticity Plate tectonics Plates (tectonics) Rheological properties Rocks Room temperature Size effects Temperature Terrestrial planets Upper mantle Yield stress
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