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- Title
Submicron volume roughness & asperity contact friction model for principle slip surface in flash heating process.
- Authors
Zhu, Bojing; Yuen, David; Shi, Yaolin; Cheng, Huihong
- Abstract
Based on focused ion beam and shear friction apparatus data, the multi-resolutions (0.2 nm-5 μm) volume roughness & asperity contact (VR & AC) three-dimensional structure on principle slip surface interface-surface (PSS-IS) is measured on high performance computational platform; and physical plastic-creep friction model is established by using hybrid hyper-singular integral equation & lattice Boltzmann & lattice Green function (BE-LB-LG). The correlation of rheological property and VR & AC evolution under transient (10 μs) macro-normal stress (18-300 MPa) and slip rate (0.25-7.5 m/s) are obtained; and the PSS-IS friction in co-seismic flash heating is quantitative analyzed for the first time.
- Subjects
SURFACE roughness measurement; FOCUSED ion beams; ROCK creep; ROCK mechanics; LATTICE Boltzmann methods; COMPUTATIONAL fluid dynamics
- Publication
Journal of Earth Science, 2015, Vol 26, Issue 1, p96
- ISSN
1674-487X
- Publication type
Article
- DOI
10.1007/s12583-015-0514-2