Rev. Met. Paris
Volume 103, Number 7-8, July-August 2006Laminage à chaud
Laminage à froid
|Page(s)||319 - 325|
|Published online||26 August 2006|
Development of super short interval multi-pass rolling technology for ultra fine-grained hot strip
A new SSMR process to produce ultra-fine-grained hot strip is introduced, featuring: closely spaced rolling stands, continuous high speed rolling with moderately large reductions rolling, rapid interpass cooling and rapid finish rolling cooling. An ultra-fine-grained CMn steel strip (1μm) is obtained with a 700 MPa yield stress. A proper choice of the work roll diameter and a careful control of the friction coefficient should make it possible to keep the rolling force at a level compatible with the design capacity of a conventional rolling mill.
© La Revue de Métallurgie, 2006
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