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Heat transfer in cold rolling process of AA8015 alloy: a case study of 2-D FE simulation of coupled thermo-mechanical modeling

  • O. OlaogunEmail author
  • J. Edberg
  • L.-E. Lindgren
  • O. O. Oluwole
  • E. T. Akinlabi
ORIGINAL ARTICLE
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Abstract

The finite element method (FEM) is one of the most applicable mathematical analytic methods of rolling processes and is also an efficient method for analyzing coupled heat transfer. Thermal analysis of cold rolling process is not frequently used due to the widespread assumption of insignificant impact during rolling process. This research focuses on the development of coupled thermo-mechanical 2-D FE model analysis approach to study the thermal influence and varying coefficient of friction during the industrial cold rolling process of AA8015 aluminum alloy. Both deformable-rigid and deformable-deformable rigid contact algorithms were examined in the 2-D FE model. Findings revealed that temperature distribution in the roll bite rises steadily in a stepwise manner. The deformable-deformable contact algorithm is the best investigations of thermal behavior of the rolled metal and work rolls necessary for typical application in work roll design. The predicted roll separating force is validated with industrial measurements.

Keywords

Contact algorithm Coupled thermo-mechanical Heat transfer 2-D FE model 

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Notes

Acknowledgements

The authors want to thank the University of Johannesburg and the Council for Scientific and Industrial Research (CSIR) South Africa for their support of this research. The authors would also like to express gratitude toward Tower Aluminum, Nigeria, for their contribution in providing the aluminum samples and data collection. Special thanks to the factory manager for his hospitality. The finite element simulations were performed on assets provided by Lulea University of Technology, Sweden.

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Mechanical Engineering ScienceUniversity of JohannesburgJohannesburgSouth Africa
  2. 2.Department of Mechanical EngineeringKwara State UniversityMaleteNigeria
  3. 3.Department of Engineering Sciences & MathematicsLuleå University of TechnologyLuleåSweden
  4. 4.Department of Mechanical EngineeringUniversity of IbadanIbadanNigeria

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