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Rate theory description of atomic stick-slip friction
Physical Review B, 2010We assess the validity of assumptions that underpin common low-dimensional rate theory descriptions of nanoscale stick-slip friction by completely specifying harmonic transition state theory kinetic parameters from an atomistic model. The resultant kinetic model is able to reliably reproduce the temperature and velocity dependence of friction as ...
Danny Perez +3 more
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Journal of Applied Physics, 2009
In the present study plate-impact pressure-shear friction experiments are conducted to study dynamics of high-speed slip at metal-on-metal interfaces. By using a CH tool-steel/Ti–6Al–4V tribo-pair and appropriate selection of the flyer and target plate thicknesses, the experiment has been used to investigate the frictional resistance of sliding ...
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In the present study plate-impact pressure-shear friction experiments are conducted to study dynamics of high-speed slip at metal-on-metal interfaces. By using a CH tool-steel/Ti–6Al–4V tribo-pair and appropriate selection of the flyer and target plate thicknesses, the experiment has been used to investigate the frictional resistance of sliding ...
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Slip Induced Strain Rate Sensitivity for Superplastic Material?
Materials Science Forum, 2012The conventional consensus has it that the magnitude of the strain rate sensitivity observed in superplastic materials is linked with grain boundary sliding. The grain boundary sliding mechanism is thought to theoretically produce a strain rate sensitivity exponent of 0.5, which is in good agreement with experimental data. The present paper argues that
Hector Basoalto, Paul L. Blackwell
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Slip Rate Recognition Based on Firefly Optimization Algorithm
2017 International Conference on Sensing, Diagnostics, Prognostics, and Control (SDPC), 2017Optimal slip rate identifier based on BP neural network has some bugs such that it is easy to fall into local minimum. In order to improve the aircraft's braking efficiency, this paper presents a new method for optimal slip rate identification based on firefly algorithm optimization.
Huawei Wu, Yuanjin Zhang
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Regional and Global Fault Slip Rates from Seismicity
Nature Physical Science, 1971Rates of fault slip calculated from the seismicity of the world's chief seismic regions agree well with the predictions of “rigid plate tectonics”. Global fault activity seems to have decreased fivefold in the past seventy years, indicating that earthquakes are coupled on a global scale within decades.
GEOFFREY F. DAVIES, JAMES N. BRUNE
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Biomarker thermal maturity experiments at earthquake slip rates
Earth and Planetary Science Letters, 2018Abstract Evidence of temperature rise is useful for identifying where within a fault zone earthquake slip has occurred, as well as some attributes of the earthquake such as energy output. Biomarker thermal maturity can elucidate structures within a fault zone that were hotter than surrounding rock, and therefore likely to have hosted earthquakes.
Heather M. Savage +5 more
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Slip rates and morphology of continental collision belts
Geology, 1976The widths of the Iranian and Tibetan collision segments of the Alpine belt are found to be proportional to the local convergence rates. Both segments are plateaus, but they stand at different elevations. The simplest reason for the width-rate correlation is that both increase with distance from the poles of relative rotation of the colliding plates ...
Zvi Ben Avraham, Amos Nur
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Solid-Liquid Interface Slip as a Rate Process
ASME/STLE 2007 International Joint Tribology Conference, Parts A and B, 2007Thin film lubrication may be significantly affected by slip at the solid-liquid interface. Slip occurs when there is a jump in the mean speed between the walls and the first layer of liquid molecules. Using molecular simulation, we show that the amount of slip is greatly affected by solvation pressure and that this dependence can be accounted for by ...
A. Martini +3 more
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Deep Slip Rates on the San Andreas Fault
Science, 1999Parkfield, California, is located along the San Andreas fault and has been the site of a long-term earthquake prediction study since 1985. Microearthquake clustering provides detailed insights into the mechanisms of fault slippage and its connection to earthquakes.
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Mechanisms of Slip Weakening and Healing in Glass at Co-Seismic Slip Rates
The determination of co-seismic slip resistance in earth faults is critical for understanding the magnitude of shear stress reduction and hence the near-fault acceleration that can occur duringearthquakes. Knowledge of shear resistance dependency on slip velocity, slip distance, normal stress, and surface roughness is fundamental information for ...Vikas Prakash, Fuping Yuan, Nirav Parikh
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