Evolution of Dynamic Recrystallization of AISI-1045 Steel under Critical Friction Conditions

Kevin Le Mercier; Michel Watremez; Julien Brocail; Laurent Dubar

doi:10.4028/www.scientific.net/AMR.966-967.168

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 966-967Evolution of Dynamic Recrystallization of...

Evolution of Dynamic Recrystallization of AISI-1045 Steel under Critical Friction Conditions

Abstract:

To determine the impact of dynamic recrystallization on frictional behaviour in the tool-chip interface, a specific friction test called the Warm and Hot Upsetting Sliding Test (WHUST) is implemented. This friction bench simulates tests with contact pressure, sliding velocity, contactor and specimen temperatures similar to industrial ones. Several tests are performed on specimens at different sliding speed, penetrations and work-piece temperatures to reach different dynamically recrystallized states. A numerical model of this test using Arbitrary Lagrangian Eulerian (ALE) method is implemented. Thanks to a specific rheological model, we are able to predict the evolution of the volume fraction of recrystallized grains.

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Periodical:

Advanced Materials Research (Volumes 966-967)

Pages:

168-174

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.966-967.168

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Online since:

June 2014

Authors:

Kevin Le Mercier, Michel Watremez*, Julien Brocail, Laurent Dubar

Keywords:

Dynamic Recrystallization (DRX), Friction Model, Numerical Simulation

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