Eventos Anais de eventos
COBEM 2019
25th International Congress of Mechanical Engineering
EVALUATION OF THE ELECTRICAL PROPERTIES OF AL-CU-FE-MG-NI ALLOY WITH AND WITHOUT HEAT TREATMENT
Submission Author:
Victor Melo , PA , Brazil
Co-Authors:
Victor Melo, Gustavo Rebelo, Eric Espíndola, Natália Luiza Abucater Brum, Mauro Lobato, Emerson Prazeres, JOSÉ MARIA DO VALE QUARESMA
Presenter: Eric Espíndola
doi://10.26678/ABCM.COBEM2019.COB2019-2212
Abstract
Due to the growing demand for electricity, it is necessary to produce more and more efficient electric cables for transmission and distribution of energy. In this reality a study was carried out with the objective of evaluating the Al - Cu - Fe - Mg - Ni alloy for the electric characterization in order to allow its applicability in the transmission and distribution of electric energy. The study was carried out by inserting 0.05% Cu, 0.40% Fe and 0.6% Mg and 0.03% Ni in the aluminum base. The alloy was obtained by direct static solidification in metallic shell. After obtaining the material as cast, it passed through the machining process to the diameter of 18.5 mm and then the cold working process until the diameters of [4.0; 3.8; 3.0 and 2.7] mm. The alloys were characterized electrically by the electrical resistivity test and structurally through the analysis of the microstructures, in addition, the alloys were also subjected to heat treatment at temperatures of [230 and 280] ° C. As a result of the study, it was observed that nickel improved electrical properties. In relation to the heat treatment the alloy maintained an electrical conductivity close to 60% IACS.
Keywords
aluminum, Electric energy, Heat treatment
