Effect of Asperity Plastic Deformation on the Interface Friction in Metal Forming

Chu Han Wu; Liang Chi Zhang; Shan Qing Li; Zheng Lian Jiang; Pei Lei Qu

doi:10.4028/www.scientific.net/KEM.626.222

Paper Titles

Investigation into Bicycle Front Fork Forming Process of Simulation and Experiment
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Cold Roll Forming Process and Die Design for Double-Gutter Frame of Drawer Slider
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Cold Forging Die Design and Process Simulation of a Disk with Inner Ring Gear
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An Integral Approach to the Investigation of High Speed Metal Cutting
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Effect of Asperity Plastic Deformation on the Interface Friction in Metal Forming
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An Estimation of Joint Strength by Using Fe-Based Shape Memory Alloy Subjected to Bending Deformation at Various Deformation Rate
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Buckling Behavior and Atomic Elastic Stiffness in Defective Multi-Walled Carbon Nanotube under Axial Compression
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Effect of Plastic Anisotropy on the Strain Rate Intensity Factor: A Simple Analytic Solution
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Investigation on Intragranular Stress of Mg Including Several Twin-Bands Using Dislocation-Based Crystal Plasticity and Phase-Field Models
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 626Effect of Asperity Plastic Deformation on the...

Effect of Asperity Plastic Deformation on the Interface Friction in Metal Forming

Abstract:

This paper investigates the effect of the plastic deformation of surface asperities on the interface friction in metal forming involving multi-scale deformation with random surface topography. The equivalent interfacial layer (EIL) introduced by the authors previously was used to integrate the Reynolds equation with the plastic deformation of the randomly distributed surface asperities. The contributions of solid-lubricant interaction, lubricant viscosity and microscopic deformation were therefore included efficiently in a conventional macroscopic finite element analysis. The merit of the method was demonstrated by an investigation into the metal strip rolling, whose friction, lubrication and pressure distribution are otherwise hard to be characterized accurately.

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Periodical:

Key Engineering Materials (Volume 626)

Pages:

222-227

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.626.222

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Online since:

August 2014

Authors:

Chu Han Wu, Liang Chi Zhang*, Shan Qing Li, Zheng Lian Jiang, Pei Lei Qu

Keywords:

Finite Element Analysis (FEA), Metal Forming, Mixed Lubrication, Multi-Scale

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