OptiLam: Design of optimised rolling schedules

摘要：

Nowadays it is known that the thermomechanical schedules applied during hot rolling of flat products provide the steel with improved mechanical properties. In this work an optimisation tool, OptiLam (OptiLam v.1), based on a predictive software and capable of generating optimised rolling schedules to obtain the desired mechanical properties in the final product is described. OptiLam includes some well-known metallurgical models which predict microstructural evolution during hot rolling and the transformation austenite/ferrite during the cooling. Furthermore, an optimisation algorithm, which is based on the gradient method, has been added, in order to design thermomechanical sequences when a specific final grain size is desired. OptiLam has been used to optimise rolling parameters, such as strain and temperature.Here, some of the results of the software validation performed by means of hot torsion tests are presented, showing also the functionality of the tool. Finally, the application of classical optimisation models, based on the gradient method, to hot rolling operations, is also discussed.

关键词： Rolling schedules optimisation models mechanical properties grain size

作者: B.Pe(n)a M. Arribas A.R.Carrillo J.I. Barbero J. Calvo S. Yue

作者单位: Tecnalia Foundry and Iron&Steel Unit, c/Geldo- Parque Tecnol(o)gico de Bizkaia Edificio 700, C.P 481 Department of Mining, Metals and Materials Engineering, McGill University,3610 University Street, Mo

会议类型: 国际会议

会议名称: The 6th International Conference on High Strength Low Alloy Steels(第六届高强度低合金钢国际会议HSLA Steels2011)

会议地点: 北京

会议语种:英文

页码: 416-423

在线出版日期: 2011-05-31（万方平台首次上网日期，不代表论文的发表时间）