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Tribology Letters
Erschienen in: Tribology Letters 2/2012

01.05.2012 | Original Paper

Crystal Plasticity Finite Modelling of 3D Surface Asperity Flattening in Uniaxial Planar Compression

verfasst von: Hejie Li, Zhengyi Jiang, Dongbin Wei

Erschienen in: Tribology Letters | Ausgabe 2/2012

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Abstract

Rate-dependent crystal plasticity constitutive model has been employed into finite element software ABAQUS to simulate surface asperity flattening in uniaxial planar compression. Measured textures and surface roughness are introduced into the 3D surface roughness model. The calculated results show a good agreement with the experimental results. With an increase of reduction, the surface asperity flattening tends to increase, and Goss texture {011} 〈100〉 and brass component {110} 〈112〉 become stronger, whilst the cubic texture {001} 〈100〉 becomes weaker. If the reduction reaches 40%, Schmid in-grain shear band appears and the strain localisation starts. The evolution of surface feature (roughness) shows the obvious sensitivity on the orientation {111} of near-top surface.
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Metadaten
Titel
Crystal Plasticity Finite Modelling of 3D Surface Asperity Flattening in Uniaxial Planar Compression
verfasst von
Hejie Li
Zhengyi Jiang
Dongbin Wei
Publikationsdatum
01.05.2012
Verlag
Springer US
Erschienen in
Tribology Letters / Ausgabe 2/2012
Print ISSN: 1023-8883
Elektronische ISSN: 1573-2711
DOI
https://doi.org/10.1007/s11249-012-9925-8

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