Engineering Mechanics

Proceedings Vol. 13 (2007)

ENGINEERING MECHANICS 2007

NATIONAL CONFERENCE WITH INTERNATIONAL PARTICIPATION
May 14 – 17, 2007, Svratka, Czech Republic

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Editors: Igor Zolotarev

ISBN 978-80-87012-06-2 (printed)
ISSN 1805-8248 (printed)
ISSN 1805-8256 (electronic)

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NUMERICAL PREDICTION OF CENTRAL BURSTING IN AXISYMMETRIC COLD DRAWING OF BRASS BAR

Skalka P., Janíček P., Petruška J., Maroš B.
pages 249 - +7p., full text

The paper deals with problems of the central burst defect prediction in axisymmetric cold drawing of the brass bar. The problem is analyzed numerically by using 2D finite element analysis (FEA). The quantitative influence of the process parametrs (the diameter reduction ratio, the die semi-angle, the friction coefficient) on the stress – strain hystory are studied and qualitative comparison with some available experimental data are given. The paper presents the results of the geometry effect on the occurrence of the central bursting.

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Engineering Mechanics

International Conference

Proceedings Vol. 13 (2007)

ENGINEERING MECHANICS 2007