Progress in Extrusion Technology and Simulation of Light Metal Alloys

Volume 491

doi: 10.4028/www.scientific.net/KEM.491

Paper Title Page

Authors: Francesco Gagliardi, I. Alfaro, Luigino Filice, E. Cueto

Abstract: The conventional tube extrusion process has been substituted by porthole die extrusion due to relevant advantages in terms of productivity...

151
Authors: Yan Xu, Wojciech Z. Misiolek

Abstract: Solid-state welding takes place during the extrusion of hollow shapes and tubes made from selected metals such as aluminum and magnesium and...

159
Authors: Francesco Gagliardi, Giuseppina Ambrogio, Luigino Filice

Abstract: Porthole die extrusion has been always more used for the production of hollow profiles. The process is characterized by a complex die whose...

173
Authors: Gianluca D'Urso, Michela Longo, Elisabetta Ceretti, Claudio Giardini

Abstract: In extrusion operations, material solid state welding takes place thanks to the very high pressure and temperature at which the material...

181
Authors: Ding Tang, Qing Qing Zhang, Da Yong Li, Ying Hong Peng

Abstract: Micro-channel tube with submillimeter-diameter channels is a kind of newly developed heat transfer tube based on theory of micro-scale heat...

189
Authors: Yawar Abbas Khan, Sepinood Torabzadeh Khorasani, Henry Sigvart Valberg

Abstract: In extrusion of aluminium alloys, using porthole dies, the billet metal is split into separate metal streams during flow into the ports....

197
Authors: D. Leśniak, Artur Rękas, W. Libura, Józef Zasadziński

Abstract: In the work, numerical calculations of extrusion process of 2024 alloy through porthole dies were performed. The DEFORM 3D program based on...

205
Authors: Lorenzo Donati, Antonio Segatori, Barbara Reggiani, Luca Tomesani, Pietro Alfredo Bevilacqua Fazzini

Abstract: In the paper, a die for the production of a complex hollow profile made by AA6060 alloy on an industrial 2500 ton press has been...

215
Authors: Ramona Hölker, Andreas Jäger, Nooman Ben Khalifa, A. Erman Tekkaya

Abstract: To prevent local overheating of the workpiece material in hot aluminum extrusion the influence of die cooling was investigated. Numerical...

223
Authors: Barbara Reggiani, Lorenzo Donati, Luca Tomesani

Abstract: Tools are exposed to severe working conditions during the hot extrusion process. In particular, dies and mandrels can be subjected to an...

233

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