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Numerical investigation of austenite grain size distribution in square-diamond pass hot bar rolling

Lee, H.-W., Kwon, H.-C., Im, Y.-T. and Hodgson, P.D. 2007, Numerical investigation of austenite grain size distribution in square-diamond pass hot bar rolling, Journal of materials processing technology, vol. 191, no. 1-3, pp. 114-118, doi: 10.1016/j.jmatprotec.2007.03.002.

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Title Numerical investigation of austenite grain size distribution in square-diamond pass hot bar rolling
Author(s) Lee, H.-W.
Kwon, H.-C.
Im, Y.-T.
Hodgson, P.D.
Journal name Journal of materials processing technology
Volume number 191
Issue number 1-3
Start page 114
End page 118
Publisher Elsevier SA
Place of publication Aedermannsdorf, Switzerland
Publication date 2007-08-01
ISSN 0924-0136
1873-4774
Keyword(s) austenite grain size
hot bar rolling
numerical prediction
Summary In this study, the austenite grain size (AGS) for hot bar rolling of AISI4135 steel was predicted based on two different AGS evolution models available in the literature. In order to predict the AGS more accurately, both models were integrated with a three-dimensional non-isothermal finite element program by implementing a modified additivity rule. The predicted results based on two models for the square-diamond (S-D) and round-oval (R-O) pass bar rolling processes were compared with the experimental data available in the literature. Then, numerical predictions depending on various process parameters such as interpass time, temperature, and roll speed were made to compare both models and investigate the effect of these parameters on the AGS distributions. Such numerical results were found to be beneficial to understand the effect of the microstructure evolution model on the rolling processes better and control the processes more accurately.
Language eng
DOI 10.1016/j.jmatprotec.2007.03.002
Field of Research 091399 Mechanical Engineering not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2007, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007202

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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