Investigation of metal flow in bridge die extrusion of Alloy 6063 and subsequent effect on surface quality and weld seam integrity.

Velay, X., Sheppard, T. and Niu, L., 2013. Investigation of metal flow in bridge die extrusion of Alloy 6063 and subsequent effect on surface quality and weld seam integrity. Materials Science and Technology, 29 (1), 60 - 68 .

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DOI: 10.1179/1743284712Y.0000000098

Abstract

This paper describes a detailed study of tube extrusion by simulation using finite element method (FEM). The finite element model used one-sixth of symmetry. The extrusion load, emperature evolution and metal flow were predicted. Innovative methods, combining both grid and surface tools, were used to define in detail the flow of material. These showed clearly the inner and outer surface formation mechanisms of the tube extrusion. The seam weld, an important quality indicator, was also evaluated by selecting an appropriate criterion.

Item Type:Article
ISSN:0267-0836
Uncontrolled Keywords:Tube extrusion ; FEM ; Metal flow
Subjects:UNSPECIFIED
Group:Faculty of Science and Technology
ID Code:21267
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:09 Jun 2014 15:03
Last Modified:10 Sep 2014 14:57

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