Finite Element Simulation of Die Design for Equal Channel Angular Extrusion Process of Pure Aluminum and its Experimental Investigation

Shu Bo Xu; Cai Nian Jing; Guo Cheng Ren; Guo Qun Zhao

doi:10.4028/www.scientific.net/AMR.146-147.1737

Paper Titles

Study of TiAl Alloy Surface Plasma Modified Corrosion Resistance
p.1717

Study on Semi-Solid Magnesium Alloy Produced by Mechanical Stirring
p.1723

An Analysis on Formation of ANF-6 Electroslag Fluxes Skin of Electroslag Remelting Ingot
p.1729

Bismaleimide Matrix Composites with High Wear Resistance Modified by Potassium Titanate Whiskers
p.1733

Finite Element Simulation of Die Design for Equal Channel Angular Extrusion Process of Pure Aluminum and its Experimental Investigation
p.1737

Corrosion Behaviour of a Fe-Based Alloy in Zn and Zn-55Al Baths
p.1741

The Effect of Minimal Quantity Lubrication (MQL) on the Surface Roughness of Titanium Alloy Ti-6Al-4V ELI in Turning Process
p.1750

Preparation and Photoactivity of Titanium Dioxide-Coated Carbon Felt Using Supercritical Carbon Dioxide
p.1754

Low Frequency Mechanical Spectroscopy of High Damping Mg-3wt.%Ni Alloy
p.1761

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Finite Element Simulation of Die Design for Equal Channel Angular Extrusion Process of Pure Aluminum and its Experimental Investigation

Abstract:

equal channel angular extrusion/Pressing (ECAE, ECAP) has the capability of producing ultra-fined grain (UFG) materials bellow the dimension of 1 μm. At present, it is one of the most important methods to get bulk UFG materials. In this paper, a systematic investigation of ECAP process on the pure Aluminum and die design is performed by using numerical simulation. The stress distributions on the die were obtained, and general consideration of the die during the whole pressing process was given. it was found that the closer the die corner is, the higher stress value results can be acquired. And the effective stress concentration in ECAP die cavity corner. The extruding load fell rapidly when the angular angle increasing. The proposed method can serve as preconditions to analyze the abrasion and fatigue of ECA Pressing die.