Tribology in Hot Rolling of Steel Strip

Publisher:
Springer
Publication Type:
Chapter
Citation:
Materials Forming, Machining and Tribology, 2012, 1, pp. 121 - 149 (29)
Issue Date:
2012-01-01
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Contact friction is of crucial importance for accurate simulation, optimum design and control of industrial rolling processes. It affects the shape, profile, dimensional accuracy and surface quality of hot rolled strips. This chapter focuses on the tribology of hot strip rolling of plain carbon steel and stainless steel, which is significantly affected by oxide scales. The fundamental of oxidation of pure iron, plain carbon steel and stainless steel, and the formation of oxide scales in hot rolling process have been discussed. The morphology of the oxide scales and their deformation behaviours that depend on oxide scale thickness, constitution and the rolling parameters have been disclosed. Surface roughness of oxide scales and the tribological effect of oxide scales in hot strip rolling have been studied. A multi oxide scale layers simulation has been established to study the deformation and fracture of oxide scales taking into account the effect of surface roughness.
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