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Title: Depth-dependent stress–strain relation for friction prediction
Authors: Taureza, Muhammad
Song, Xu
Castagne, Sylvie
Keywords: DRNTU::Engineering::Manufacturing
DRNTU::Engineering::Mechanical engineering::Kinematics and dynamics of machinery
DRNTU::Engineering::Mechanical engineering::Mechanics and dynamics
Issue Date: 2014
Source: Taureza, M., Song, X., & Castagne, S. (2014). Depth-dependent stress–strain relation for friction prediction. International Journal of Mechanical Sciences, 86, 46-53.
Series/Report no.: International journal of mechanical sciences
Abstract: The effect of strain gradient on mechanical property of material is implemented through depth-dependent stress strain relation model in conventional finite element simulations for use in friction prediction. For the incorporation of strain gradient effect, contact simulation involving asperities was developed with the assumption that the deformation pattern created by asperities from tool surface in microforming is comparable to the deformation created by the indenter in a hardness test. Consequently, depth-dependent stress-strain relation was derived from the indentation size effect model and this stress-strain relation was used in a simulation to show the effect of strain gradient to friction behaviour in microforming at different surface roughness levels. Experiment was conducted alongside the simulation and the results showed that with asperity ploughing considered as major contributor to friction in microforming at room temperature, the simulation involving depth-dependent material properties is able to predict the better predict the friction behaviour as compared to its continuum simulation counterpart.
ISSN: 0020-7403
DOI: 10.1016/j.ijmecsci.2014.02.006
Rights: © 2014 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by International Journal of Mechanical Sciences, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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