Investigation into the improvement of welding strength in three-dimensional extrusion of tubes using porthole dies

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In this work, a modified porthole die for tube extrusion has been developed in order to obtain larger welding pressure than that of conventional porthole dies, and the effect of the improved porthole die on welding pressure has been investigated by performing the finite element analysis on aluminum tube extrusion. The comparison of welding strength of tubes extruded by the modified porthole die with that of tubes made by a conventional porthole die on an expanding test has shown that the tubes from the modified die have been improved in welding strength. (C) 2002 Elsevier Science B.V. All rights reserved.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2002
Language
English
Article Type
Article; Proceedings Paper
Keywords

FLOW

Citation

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, v.130, pp.426 - 431

ISSN
0924-0136
DOI
10.1016/S0924-0136(02)00717-3
URI
http://hdl.handle.net/10203/2775
Appears in Collection
ME-Journal Papers(저널논문)
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