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Erschienen in: The International Journal of Advanced Manufacturing Technology 3-4/2004

01.08.2004 | Original Article

The establishment of a failure criterion in cross wedge rolling

verfasst von: Qiang Li, Michael R. Lovell

Erschienen in: The International Journal of Advanced Manufacturing Technology | Ausgabe 3-4/2004

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Abstract

Internal defects in the cross wedge rolling (CWR) process can lead to the catastrophic failure of products. Using specialised experiments and the explicit dynamic finite element model (FEM), this work investigates the mechanisms of void generation and growth in the cross wedge rolling process. Based on a combined numerical and experimental approach, the morphology of void generation is determined as a function of the workpiece material and three primary parameters in the cross wedge rolling process: the forming angle, α, the stretching angle, β and the area reduction, Δ A . Through the definition of a non-dimensional deformation coefficient, ε, a method for predicting the likelihood of void formation is subsequently ascertained and discussed with respect to CWR tooling design and operating conditions.

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Metadaten
Titel
The establishment of a failure criterion in cross wedge rolling
verfasst von
Qiang Li
Michael R. Lovell
Publikationsdatum
01.08.2004
Verlag
Springer-Verlag
Erschienen in
The International Journal of Advanced Manufacturing Technology / Ausgabe 3-4/2004
Print ISSN: 0268-3768
Elektronische ISSN: 1433-3015
DOI
https://doi.org/10.1007/s00170-003-1607-0

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