Multiscaling of lattice curvature on friction surfaces of metallic materials as a basis of their wear mechanism

A comprehensive structural study has been performed to explore deformation and wear debris formation on friction surfaces of metallic materials. A hierarchy of structural scales of plastic deformation and failure during wear has been established. The nanoscale plays the major role in the hierarchica...

Full description

Saved in:
Bibliographic Details
Published in:Physical mesomechanics 2017, Vol.20 (1), p.69-77
Main Authors: Panin, V. E., Pinchuk, V. G., Korotkevich, S. V., Panin, S. V.
Format: Article
Language:English
Subjects:
Classical Mechanics
Coalescing
Curvature
Debris
Deformation wear
Distortion
Lattice sites
Lattice vacancies
Materials Science
Microporosity
Nonlinear dynamics
Physics
Physics and Astronomy
Plastic deformation
Point defects
Shearing
Solid State Physics
Surface layers
Wear mechanisms
Wear particles
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:A comprehensive structural study has been performed to explore deformation and wear debris formation on friction surfaces of metallic materials. A hierarchy of structural scales of plastic deformation and failure during wear has been established. The nanoscale plays the major role in the hierarchical self-organization of multiscale debris formation processes. On this scale, bifurcational interstitial states arise in zones of local lattice curvature, with plastic distortion and motion of nonequilibrium point defects which determine the nonlinear dynamics of structure formation and wear of surface layers. Nonequilibrium vacancies on lattice sites form microporosity through the coalescence mechanism under plastic distortion. The microporosity is a precursor of meso- and macroscale plastic shearing that defines wear debris formation.
ISSN:1029-9599
1990-5424
DOI:10.1134/S1029959917010064