Title: Surface roughness transformation and deformation of the scale in hot rolling

Authors: A.K. Tieu, J. Tang, Z. Jiang, W. Sun, C. Lu

Addresses: School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, Wollongong NSW 2522, Australia. ' School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, Wollongong NSW 2522, Australia. ' School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, Wollongong NSW 2522, Australia. ' Technical Centre, Jinan Iron and Steel Co, PR China. ' School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, Wollongong NSW 2522, Australia

Abstract: In hot strip rolling, the oxide scale surface significantly affects the roughness of the strip which, in turn, affects the product quality through subsequent downstream processing via the pickle line and the five stand cold mill. In this paper, we focus on the modelling of the hot rolled strip with oxide scale and quantify the effects of various rolling parameters on the final surface roughness. A Finite Element Model (FEM) is used to simulate the surface roughness transfer of the oxide scale and the steel surface roughness in hot rolling.

Keywords: surface roughness transformation; oxide scale surface; two-layer model; finite element method; FEM; hot strip rolling; deformation; rolling parameters; steel surfaces.

DOI: 10.1504/IJSURFSE.2007.013625

International Journal of Surface Science and Engineering, 2007 Vol.1 No.1, pp.125 - 143

Available online: 09 May 2007 *

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