Analysis of tribological feature of the oxide scale in hot strip rolling

Publication Type:
Journal Article
Tribology International, 2010, 43 (8), pp. 1339 - 1345
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In this paper, the effects of the flow stress of the scale and steel, and the friction coefficients at the scale-steel and the roll-scale interfaces on the final surface roughness have been studied. The surface roughness increases for both oxide scale and steel with an increasing friction coefficient at the roll-scale interface. However, the roughness increment is limited. The calculated roughness is close to the measured value. The temperature affects the scale roughness transfer, and the maximum difference is about 25% when the temperature is 850-1025 °C for rolling speeds 0.12-0.72 m/s. The developed model is applicable in hot strip mills. © 2010 Elsevier Ltd. All rights reserved.
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