| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Powder and Ceramic Materials Science
|
| Presentation Title |
ICME-Based Design of Cermet Tool Material for Friction Stir Welding (FSW) of High-strength Materials |
| Author(s) |
Amit Kishan Behera, Qiaofu Zhang, Greg Olson, Rajiv Mishra |
| On-Site Speaker (Planned) |
Amit Kishan Behera |
| Abstract Scope |
The economic and processing advantages of using FSW has been well established for welding of low melting point, Al and Mg alloys. However, tool material development has been the major limitation for the application of FSW/FSP on high-strength materials such as Ni-based alloys and high-strength steels over the past decade. The weld temperature for these materials can exceed 1000⁰C and thereby, a desirable tool material needs to be strong enough to sustain wear and deformation forces at elevated temperatures for long periods of time while being cost-effective for commercial use. QuesTek has applied its ICME-based processing-structure-property models to design novel cermet materials with different hard phases and high entropy alloys (HEA) as the binder phase. The designed alloys were manufactured via spark plasma sintering (SPS) of powder compacts. Experimental investigations on the processing, microstructure and mechanical properties of the composite material to showcase property improvements will be discussed. |
| Proceedings Inclusion? |
Planned: |