Grid Dependency of Severe Plastic Deformation during Combined Extrusion and Forging Process
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Abstract
Plastic deformation during the metal forming process involves very distinctive behavior of parameters, which results in complicated mathematical modelling to estimate the forming load. As the complexity of the shape increase, the determination of forming (punch) load becomes intricate. In this context, the present work cover parameters influencing the grid independency on forming load during combined extrusion and forging of single collar collet chuck holder which is predicted followed by validation with experimental results. It can be observed from the numerical analysis that the grid dependency on the ram velocities shows a negligible effect whereas friction factor ensued a fragile variation.
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