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Chapter 6: FEM Modeling of Scratch-induced Deformation in Polymers by:0 (Source: Crossref)

    Scratch-induced surface deformation is a complex mechanical process as it involves large-scale plastic deformation, varying strain rate along the scratch path, frictional heat dissipation and complex stress field development. The time, temperature and pressure-dependent behaviors of polymers and surface characteristics of the interacting bodies also add to this complexity. As such, experimental study alone is not adequate to offer comprehensive understanding of the various aspects of scratch-induced damage mechanisms. Finite element methods (FEM) can be used to facilitate in-depth fundamental understanding of the scratch behavior of polymers. This chapter will present the advances that have been made in numerical modeling of polymer scratch behavior via FEM for in-depth understanding and prediction of scratch-induced surface deformation and damage mechanisms.