Simultaneous improvement of the electric conductive and mechanical properties of nanostructured aluminum alloy
International Journal of Development Research
Simultaneous improvement of the electric conductive and mechanical properties of nanostructured aluminum alloy
Received 20th March, 2022; Received in revised form 10th April, 2022; Accepted 27th May, 2022; Published online 22nd June, 2022
Copyright © 2022, Prazeres et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Aluminum nanocomposites demonstrate improvements in mechanical properties, as well as in thermal and electric conductivity. The incorporation of multiwalled carbon nanotubes (MWCNT) in the aluminum matrix, using conventional melting methods, is a long-standing issue. In this paper, Aluminum nanocomposites were fabricated via conventional casting method, using a nanostructured stainless-steel (SS) powder. Carbon nanotubes were treatedwith hydrogen peroxide, which led toan attachment tothe metal matrix particles. In this sense, the SS powder, added as an element alloy, refinedthe grains, and the CNT led the electric conductive to a better performance. Given this, the best alloy analyzed presented an approximate 10% increase in all of its characterized properties, therefore presenting a microhardness of 48 HV, aUltimate Tensile Stress of 183 MPa, and an electrical conductivity of 67% of IACS.
