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Prediction of roll force and roll torque in shape rolling
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2005 (English)In: Conference Proceedings of the 8th International Conference on Technology of Plasticity, Verona, 2005Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
2005.
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-5730OAI: oai:DiVA.org:kth-5730DiVA: diva2:10195
Conference
8th International Conference on Technology of Plasticity (ICTP), Verona, Italy, Oct. 9-13, 2005.
Note
QC 20101123Available from: 2006-05-15 Created: 2006-05-15 Last updated: 2010-11-23Bibliographically approved
In thesis
1. Numerical simulation of shape rolling
Open this publication in new window or tab >>Numerical simulation of shape rolling
2006 (English)Licentiate thesis, comprehensive summary (Other scientific)
Abstract [en]

In the first part of this thesis, the FE program MSC.Marc is applied for coupled thermomechanical simulations of wire-rod rolling. In order to predict material behaviour of an AISI 302 stainless steel at high strain rates generated during wire-rod rolling, a material model based on dislocation density is applied. Then, the evolution of temperature, strain rate and flow stress is predicted in the first four rolling passes of a wire block.

In the second part of the thesis, an alternative approach to simulation of shape rolling is evaluated. The approach is applied in order to save the computational time in cases where many shape-rolling passes are to be simulated. The approach is a combination of the slab method and a 2D FEM with a generalized plane-strain formulation. A number of various isothermal shape-rolling passes are simulated applying the simplified approach. The simulations are carried out using an in-house 2D FE code implemented in Matlab. The results are compared to fully 3D FE analyses. The comparison shows that the simplified approach can predict roll forces and roll torques with a fair accuracy, but the predicted area reductions are a bit underestimated. The reasons for the deviations between the simplified approach and the 3D FEM are discussed.

Place, publisher, year, edition, pages
Stockholm: KTH, 2006. x, 22 p.
Series
KTH/MSE--06/19--SE+MEK/AVH
Keyword
shape rolling, wire-rod rolling, finite-element method, generalized plane-strain, dislocation density, material model
National Category
Other Materials Engineering
Identifiers
urn:nbn:se:kth:diva-3963 (URN)
Presentation
2006-04-28, konferensrum K408, KTH, Brinellvägen 23, Stockholm, 11:00
Opponent
Supervisors
Note
QC 20101123Available from: 2006-05-15 Created: 2006-05-15 Last updated: 2010-11-23Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf