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Published in:
2019 | OriginalPaper | Chapter
1. Numerical Simulation of Micro Forming of Bio-Absorbable AZ80 Magnesium Alloy
Authors : D. Rajenthirakumar, N. Srinivasan, R. Sridhar
Published in: Advances in Computational Methods in Manufacturing
Publisher: Springer Singapore
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Abstract
The characteristics of grains during the micro forming process are unpredictable. It reflects in the material behavior, interfacial friction and surface finish due to size effects. This paper describes the numerical analysis of size effects and frictional effects during the plastic deformation of magnesium AZ80 alloy in the micro extrusion process. On the basis of true stress–strain curve, the material model is used for numerical investigation. The results reveal that the flow stress increases with decreasing grain size due to increasing interfacial friction. The results are then validated with the micro extrusion experiments conducted. Further, the friction generation and load prediction can be achieved through numerical simulation is the primary criteria.