development of a time-dependent friction model for frictional aging at the nanoscale

Clicks: 111
ID: 208949
2016
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Abstract
A model for describing frictional aging of silica is developed at the nanoscale. A cohesive zone is applied to the contact surface between self-mated silica materials. Strengthening of interfacial bonding during frictional aging is reproduced by increasing fracture energy of a cohesive zone. Fracture energy is expressed as a function of hold time between self-mated silica materials. Implicit finite element simulation is employed, and simulation results are compared with experimental ones found in the literature. Calculated friction evolutions with various hold times are found to be in good agreement with experimental ones. Dependence of mesh size and cohesive thickness is identified for obtaining accurate simulation result.
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baek2016journaldevelopment Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Seung Yub Baek;Kyungmok Kim
Journal reproductive biology and endocrinology
Year 2016
DOI
10.1155/2016/7908345
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