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Submicron Volume Roughness & Asperity Contact Friction Model for Principle Slip Surface in Flash Heating Process 被引量:1

Submicron Volume Roughness & Asperity Contact Friction Model for Principle Slip Surface in Flash Heating Process
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摘要 Based on focused ion beam and shear friction apparatus data, the multi-resolutions (0.2 nm-5μm) 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. Based on focused ion beam and shear friction apparatus data, the multi-resolutions (0.2 nm-5μm) 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.
出处 《Journal of Earth Science》 SCIE CAS CSCD 2015年第1期96-107,共12页 地球科学学刊(英文版)
关键词 VR AC BE-LB-LC submicron-scale structure measurement plastic-creep model friction model. VR & AC, BE-LB-LC submicron-scale structure measurement, plastic-creep model,friction model.
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