Jurnal Internasional Kelemahan Termal pada Asperity Tips pada Fault Planes pada Kecepatan Sliding Tinggi – Tidur – – Geokimia, Geofisika, Geosystems

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Jurnal Internasional Kelemahan Termal pada Asperity Tips pada Fault Planes pada Kecepatan Sliding Tinggi – Tidur – – Geokimia, Geofisika, Geosystems

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Real contact on a ~ 10 μm scale supports traction of gigapascal shear and normal traction in rapid shear errors. At shear speeds above ~ 0.1 m -1– the less sharp contact ends become hot and weak. Macroscopic friction depends on the strength of the average tip of roughness during their contact period. The end strength of the assassin does not basically become zero once they become weak because the friction heating will stop and the tip will cool and strengthen. Conversely, the contact maintains limited strength so that friction heating balances the heat lost from the end of the assimilation by conduction. Roughly speaking, the macroscopic friction coefficient at high shear velocity decreases in reverse from the square root of velocity rather than the velocity in the widely used Rice model (2006). The numerical thermal-mechanical model supports this inference. The limited strength of the acetate inhibits the lateral extrusion of the weakened material from the tip. Otherwise, extrusion will allow the sliding surface to meet to form a new contact, which will renew the surface strength. The macroscopic friction coefficient with a rather weak assertion tip remains high enough so that the fracture surface becomes hot on a millimeter scale in large scale earthquakes. Fluid pressurization and finally melting the millimeter scale then reduce macroscopic shear traction to a lower value compared to the acting end of the self-acting weakening. 19659007] Related

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