| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advanced Solid Phase Processing Symposium
|
| Presentation Title |
Hybrid Cutting-Extrusion for Sheet Metal Production with Exceptional Microstructure Control |
| Author(s) |
Kevin P. Trumble, B. Stiven Puentes, Mohammed Issahaq, Mojib Saei, Anirudh Udupa, James Mann, Srinivasan Chandrasekar |
| On-Site Speaker (Planned) |
Kevin P. Trumble |
| Abstract Scope |
Machining-based processes for sheet and foil production via large-strain deformation are under development at Purdue University. A hybrid cutting-extrusion (HCE) process imposes highly confined shear with intense adiabatic heating and high hydrostatic pressure for direct production of sheet at high rates in a single stage of deformation. Unlike rolling, the total strain is imposed all at once and is controllable independent of sheet thickness. The process enables sheet production in alloys of low workability that are challenging to produce economically by rolling, while offering microstructure control ranging from severe plastic deformation structures to dynamic recrystallization, and unique shear textures. Recent progress in scaling up the process using a 50-HP lathe will be highlighted, along with application to high-silicon electrical steels of low workability. Surface quality, microstructure and texture development in electrical steels, as well as aluminum alloys and brass, will be discussed. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |