Residual stress analysis using EM sensors caused by manufacturing processes in sheet steel

该项目与EPSRC的材料工程领域-金属和合金相一致。以非接触、非破坏性方式测量钢的微观结构的能力可以极大地提高对材料及其在加工和使用过程中的行为的理解。在加工过程中改进控制将提高复杂钢微观结构的生产效率，并允许制造新一代合金。最近开发的在线电磁（EM）测量系统EMspecTM（由WMG、曼彻斯特大学、塔塔钢铁和Primetals Technology Limited的研究小组合作开发）意味着可以在带钢轧机的热加工过程中监测带钢的微观结构。该项目将研究在加工过程中通过使用EM传感器反馈动态控制冷却策略或热处理进行实时微结构工程的潜力，特别是考虑如何设计以前无法在全规模生产中实现或无法可靠实现的微结构。这项工作将涉及以下部分或全部领域的研究：钢的全磁-电-温度-应力行为（实验和建模）;传感器-样品-微观结构建模;使用演示系统，包括熔炉、带冷却喷雾的工作台和EMspecTM系统，设计特定的微观结构。此外，可以考虑将传感技术应用于其他工业问题。

The project aligns with EPSRC area of Materials engineering - metals and alloys.The ability to measure the microstructure of steel in a non-contact, non-destructive fashion can lead to dramatic improvement in the understanding of the material and its behaviour during processing and in-service. Improved control during processing will increase efficiency in production of complex steel microstructures and allow new generation alloys to be made. Recent development of an on-line electromagnetic (EM) measurement system, EMspecTM (developed during collaborations between research groups at WMG, the University of Manchester, Tata Steel and Primetals Technology Limited) means the microstructure of strip steel can be monitored during hot processing in a steel strip mill. This project will investigate the potential for real-time microstructure engineering during processing via dynamic control of cooling strategies or heat treatment using EM sensor feedback, in particular consideration on how to engineer microstructures that were previously either impossible to achieve in full scale production or could not be reliably achieved. The work will involve investigation of some, or all, of the following areas: full magnetic - electrical - temperature - stress behaviour of steels (experimentally and by modelling); sensor-sample-microstructure modeling; use a demonstration system, consisting of a furnace, run out table with cooling sprays and EMspecTM system, to engineer specific microstructures. In addition the application of the sensing technology to other industrial problems may be considered.