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Effect of Heat Treatment on the Mechanical and Electrical Properties of Al-Co-Mn Alloys
Department of Advanced Materials, Center for Research in Engineering and Applied Sciences, Autonomous University of Morelos State, Cuernavaca, Mexico
Department of Advanced Materials, Center for Research in Engineering and Applied Sciences, Autonomous University of Morelos State, Cuernavaca, Mexico
Department of Advanced Materials, Center for Research in Engineering and Applied Sciences, Autonomous University of Morelos State, Cuernavaca, Mexico
Department of Materials, Faculty of Sciences of the Enginery and Technology, Autonomous University of Baja California, Tijuana, Mexico
- 1 Department of Advanced Materials, Center for Research in Engineering and Applied Sciences, Autonomous University of Morelos State, Cuernavaca, Mexico
- 2 Department of Advanced Materials, Center for Research in Engineering and Applied Sciences, Autonomous University of Morelos State, Cuernavaca, Mexico
- 3 Department of Advanced Materials, Center for Research in Engineering and Applied Sciences, Autonomous University of Morelos State, Cuernavaca, Mexico
- 4 Department of Materials, Faculty of Sciences of the Enginery and Technology, Autonomous University of Baja California, Tijuana, Mexico
Journal of Minerals and Materials Characterization and Engineering·Volume 13 (2025)·Pages 83–93·Published 30 May 2025·DOI10.4236/jmmce.2025.133006
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Abstract
Al-Co-Mn alloys with different atomic percent were synthetized by induction melting technique. Controlled annealing treatment was applied to the resultant alloys under He atmosphere. Different microstructures were produced as a function of the Mn and Co content producing different grain morphologies. Hardness results indicate an increment in approximately 30 percent (150 kg/mm 2 ) in samples with low cobalt and high aluminum; while fracture toughness evaluations present a noticeable increment for these samples of 50 MPa∙m 1/2 which represents an improvement of approximately five times more than sample with higher aluminum content. Electrical conductivity value, higher than 61.8% IACS was obtained in sample with high Co and low Al content. Electrical characterization was developed to observe the alloy performance as anodic element in a primary battery. Results are interpreted considering mainly a substitutional mechanism.
KeywordsAluminum AlloysMicrostructureMechanical PropertiesElectrical PropertiesEnergy
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