Analysis of surface asperity flattening based on two different methods

Publisher:
Springer
Publication Type:
Journal Article
Citation:
Continuum Mechanics and Thermodynamics, 2016, 28 (6), pp. 1623 - 1634
Issue Date:
2016-11
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The stress state is an important parameter in metal forming processes, which significantly influences the strain state and microstructure of products, affecting their surface qualities. In order to make the metal products have a good surface quality, the surface stress state must be optimised. In this study, two classical methods, the upper bound method and the crystal plasticity finite element method, were investigated. The differences between the two methods were discussed in regard to the model, the velocity field, and the strain field. Then the related surface roughness is deduced.
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