Production of High-Strength Al/Al2O3/WC Composite by Accumulative Roll Bonding |
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Authors: | Morteza Shamanian Mahyar Mohammadnezhad Jerzy Szpunar |
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Affiliation: | 1. Department of Materials Engineering, Isfahan University of Technology, 84156-83111, Isfahan, Iran 2. Department of Mechanical Engineering, University of Saskatchewan, Saskatoon, SK, S7N5A9, Canada
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Abstract: | In this study, Al/Al2O3/WC composites were fabricated via the accumulative roll bonding (ARB) process. Furthermore, the microstructure evolution, mechanical properties, and deformation texture of the composite samples were reported. The results illustrated that when the number of cycles was increased, the distribution of particles in the aluminum matrix improved, and the particles became finer. The microstructure of the fabricated composites after eight cycles of the ARB process showed an excellent distribution of reinforcement particles in the aluminum matrix. Elongated ultrafine grains were formed in the ARB-processed specimens of the Al/Al2O3/WC composite. It was observed that as the strain increased with the number of cycles, the tensile strength, microhardness, and elongation of produced composites increased as well. The results indicated that after ARB process, the overall texture intensity increases and a different-strong texture develops. The main textural component is the Rotated Cube component. |
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