Multiscale friction model for hot sheet metal forming

Jenny Venema; Javad Hazrati; Eisso Atzema; David Matthews; Ton van den Boogaard

doi:10.1007/s40544-021-0504-6

Multiscale friction model for hot sheet metal forming

Jenny Venema^*, Javad Hazrati, Eisso Atzema, David Matthews, Ton van den Boogaard

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

9 Citations (Scopus)

65 Downloads (Pure)

Abstract

The accurate description of friction is critical in the finite element (FE) simulation of the sheet metal forming process. Usually, friction is oversimplified through the use of a constant Coulomb friction coefficient. In this study, the application of an existing multiscale friction model is extended to the hot stamping process. The model accounts for the effects of tool and sheet metal surface topography as well as the evolution of contact pressure, temperature, and bulk strain during hot stamping. Normal load flattening and strip drawing experiments are performed to calibrate the model. The results show that the model can relatively well predict friction in strip draw experiments when the tool surface evolution due to wear is incorporated. Finally, the application of the formulated multiscale friction model was demonstrated in the FE simulation of a hot-stamped part.

Original language	English
Pages (from-to)	316-334
Number of pages	19
Journal	Friction
Volume	10
Early online date	15 Jun 2021
DOIs	https://doi.org/10.1007/s40544-021-0504-6
Publication status	Published - Feb 2022

Keywords

friction
friction model
hot stamping
tribology
wear

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title = "Multiscale friction model for hot sheet metal forming",

abstract = "The accurate description of friction is critical in the finite element (FE) simulation of the sheet metal forming process. Usually, friction is oversimplified through the use of a constant Coulomb friction coefficient. In this study, the application of an existing multiscale friction model is extended to the hot stamping process. The model accounts for the effects of tool and sheet metal surface topography as well as the evolution of contact pressure, temperature, and bulk strain during hot stamping. Normal load flattening and strip drawing experiments are performed to calibrate the model. The results show that the model can relatively well predict friction in strip draw experiments when the tool surface evolution due to wear is incorporated. Finally, the application of the formulated multiscale friction model was demonstrated in the FE simulation of a hot-stamped part.",

keywords = "friction, friction model, hot stamping, tribology, wear",

author = "Jenny Venema and Javad Hazrati and Eisso Atzema and David Matthews and {van den Boogaard}, Ton",

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doi = "10.1007/s40544-021-0504-6",

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AU - Venema, Jenny

AU - Hazrati, Javad

AU - Atzema, Eisso

AU - Matthews, David

AU - van den Boogaard, Ton

PY - 2022/2

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N2 - The accurate description of friction is critical in the finite element (FE) simulation of the sheet metal forming process. Usually, friction is oversimplified through the use of a constant Coulomb friction coefficient. In this study, the application of an existing multiscale friction model is extended to the hot stamping process. The model accounts for the effects of tool and sheet metal surface topography as well as the evolution of contact pressure, temperature, and bulk strain during hot stamping. Normal load flattening and strip drawing experiments are performed to calibrate the model. The results show that the model can relatively well predict friction in strip draw experiments when the tool surface evolution due to wear is incorporated. Finally, the application of the formulated multiscale friction model was demonstrated in the FE simulation of a hot-stamped part.

AB - The accurate description of friction is critical in the finite element (FE) simulation of the sheet metal forming process. Usually, friction is oversimplified through the use of a constant Coulomb friction coefficient. In this study, the application of an existing multiscale friction model is extended to the hot stamping process. The model accounts for the effects of tool and sheet metal surface topography as well as the evolution of contact pressure, temperature, and bulk strain during hot stamping. Normal load flattening and strip drawing experiments are performed to calibrate the model. The results show that the model can relatively well predict friction in strip draw experiments when the tool surface evolution due to wear is incorporated. Finally, the application of the formulated multiscale friction model was demonstrated in the FE simulation of a hot-stamped part.

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Multiscale friction model for hot sheet metal forming

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