April 8, 2022
Conference Paper

Co-extrusion of dissimilar Al alloys via shear assisted processing and extrusion

Abstract

Cladded tubes are generally used where two distinct properties are required at the outer and inner part of a tube, for instance, strength and corrosion resistance. In this investigation, shear assisted processing and extrusion (ShAPE) was employed to fabricate bi-metallic tubes from 1100 and 7075, and 1100 and 2024 dissimilar Al alloy combinations. Surface defect-free bi-metallic tubes were fabricated via the ShAPE process. Detailed microstructural characterization of the interface and various locations of the cladded tubes were carried out using light and scanning electron microscopy techniques. A defect-free, metallurgically bonded interface between the cladded layer and high strength Al (7075 and 2024 Al) was observed. Furthermore, hardness and tensile properties of the cladded ShAPE tubes were examined in the as-extruded conditions.

Published: April 8, 2022

Citation

Komarasamy M., S.A. Whalen, B.S. Taysom, and D.R. Herling. 2022. Co-extrusion of dissimilar Al alloys via shear assisted processing and extrusion. In Light Metals Symposium held at the TMS Annual Meeting and Exhibition, (Light Metals 2022), February 27-March 2, 2022, Anaheim, CA, edited by D. Eskin, 308-313. Cham:Springer. PNNL-SA-166339. doi:10.1007/978-3-030-92529-1_43

Research topics

Solid Phase Processing
Materials Sciences
Lightweight Materials