About this Abstract |
Meeting |
2023 TMS Annual Meeting & Exhibition
|
Symposium
|
Aluminum Alloys, Characterization and Processing
|
Presentation Title |
Shear Assisted Processing and Extrusion of Unhomogenized Aluminum Alloy 6063 Castings with High Iron Content |
Author(s) |
Scott Whalen, Nicole Overman, Brandon Scott Taysom, Md. Reza-E-Rabby, Timothy Skszek, Massimo DiCiano |
On-Site Speaker (Planned) |
Brandon Scott Taysom |
Abstract Scope |
Shear Assisted Processing and Extrusion (ShAPE) was used to fabricate aluminum 6063 tubing directly from secondary scrap. Trimmings from an automotive manufacturing facility were cast into billets spiked with iron (0.34 wt% Fe) to explore the tolerance of ShAPE to Fe contamination. Billets were extruded in the unhomogenized condition to form tubing with an outer diameter of 12 mm and wall thickness of 2 mm. Tensile properties reached 0.2% YS = 223 MPa, UTS = 251 MPa, and U.E. = 15.5% in the T6 temper. Performance exceeds the ASTM minimum standard and ASM typical values for conventional extrusion of primary aluminum billets in the fully homogenized condition. Microstructural characterization shows extensive refinement of grain size and intermetallic phases along with uniform dispersion. This study suggests that ShAPE extrusion may offer a lower carbon manufacturing pathway through direct recycling of secondary aluminum scrap and elimination of the billet homogenization step. |
Proceedings Inclusion? |
Planned: Light Metals |
Keywords |
Aluminum, Recycling and Secondary Recovery, |