| About this Abstract |
| Meeting |
2019 TMS Annual Meeting & Exhibition
|
| Symposium
|
Aluminum Alloys, Processing and Characterization
|
| Presentation Title |
D-57: Effect of Multi-pass Friction Stir Welding on the Microstructure, Mechanical and Wear Properties of AA6061/CNTs Nanocomposites |
| Author(s) |
Mohammad Alipour, Ali Ghasemi, Ali Shakiba |
| On-Site Speaker (Planned) |
Mohammad Alipour |
| Abstract Scope |
In this study, multi-pass friction stir welding using CNTs nanoparticles was performed on AA6061 sheets to fabricate surface nanocomposites. Effect of using different number of passes on the microstructure, microhardness and tensile properties of the specimens was investigated. Therefore, it was found that iteration of FSW consistently improves tensile properties and microhardness of the materials. This was mainly related to microstructural modification through FSW, including better dispersion of powders, finer grain size and minimum clustered particles. The properties after FSW process exhibits tensile of 205 MPa. Moreover, fracture surface of the 5-pass processed material revealed ductile fracture consisting mostly of dimples and voids, similar to the base material. |
| Proceedings Inclusion? |
Planned: Light Metals |