Submicron volume roughness & asperity contact friction model for principle slip surface in flash heating process

Bojing Zhu, David A. Yuen, Yaolin Shi, Huihong Cheng

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

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.

Original languageEnglish (US)
Pages (from-to)96-107
Number of pages12
JournalJournal of Earth Science
Volume26
Issue number1
DOIs
StatePublished - Feb 2015

Bibliographical note

Publisher Copyright:
© 2015, China University of Geosciences and Springer-Verlag Berlin Heidelberg.

Keywords

  • BE-LB-LG
  • VR & AC
  • friction model
  • plastic-creep model
  • submicron-scale structure measurement

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