Mukesh, Y. B. and Naik, Prem Kumar and Rao, Raghavendra R. and Vishwanatha, N. R. and Prema, N. S. and Girish, H. N. and Laxmana, Naik L. and Madhusudan, Puttaswamy (2021) Impact of heat treatment on the mechanical performance of hot extruded Al6061-BN reinforced metal matrix composites. Bulletin of the Polish Academy of Sciences-Technical Sciences, 69 (3). pp. 1-6.
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Abstract
Boron nitride (BN) reinforced Al6061 aluminum-based composites are synthesized by conventional stir casting method followed by exposure to hot extrusion. The optical images confirmed the distribution of BN nanoparticles in the aluminum alloy matrix. The concentration of BN is varied from (0.5, 1.5, 3, 4.5, 6, 7.5, and 9 wt%) in the composites and its effect on the tensile strength was investigated. The results revealed that both extruded and heat-treated composites specimens showed enhanced toughness an tensile strength by increasing BN nanoparticle concentration. The heat-treated composite samples showed lower flexibility of up to 40%, and further, it exhibited 37% greater hardness and 32% enhancement in tensile strength over the extruded sample. The tensile properties of Al6061-BN composites were evaluated by temperature-dependent internal friction (TDIF) analysis and the results showed that the as-prepared composite's strength increased with temperature..
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Al6061; metal matrix composites; boron nitride; heat treatment; hot extrusion |
| Subjects: | F Earth Science > Geology |
| Divisions: | Department of > Earth Science |
| Depositing User: | Mr Umendra uom |
| Date Deposited: | 10 May 2022 09:36 |
| Last Modified: | 10 May 2022 09:36 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/17246 |
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