Synthesis and characterization of cellular Aluminum-Silicon metals with Open-Pore


Authors

DOI:

https://doi.org/10.22517/23447214.24775

Keywords:

Cellular metals, compressive testing, energy absorption, infiltration of removable fillers, interconnected pore, mechanical properties

Abstract

This work shows the experimental results obtained from the manufacture and characterization of cellular metals with open or interconnected pore. As a base metal we use an aluminum-silicon alloy for casting and for manufacturing we use the modified removable filler infiltration technique.  As a filler material, high purity sea salt with three particle size ranges was used. The samples obtained were characterized in terms of their morphology and pore topology using Scanning Electron Microscopy. Using simple mathematical models, structural characteristics such as density, relative density and percentage of porosity were determined. Based on quasi-static compression tests, stress-strain curves were constructed and mechanical properties such as stiffness, plateau stress, densification deformation and mechanical energy absorption capacity of these materials were obtained. The results show that increasing the pore size increases density, relative density and decreases porosity and energy absorption capacity.

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Author Biographies

Luis Edgar Moreno-Montoya, Universidad Nacional de Colombia Sede Manizales

Ingeniero Industrial y Magister en Ciencias: Física. Títulos obtenidos en la Universidad Nacional de Colombia Sede Manizales. Actualmente realiza estudios de Doctorado en la misma Universidad. Es docente del Departamento de Ingeniería Industrial y su área de desempeño a nivel docente y de investigación es la Ciencia e Ingeniería de

Sandro Baéz-Pimiento, Universidad Nacional de Colombia

Ingeniero Metalúrgico de la Universidad Industrial de Santander, UIS. Realizó estudios de Maestría y Doctorado en Ciencia e Ingeniería de Materiales en la Universidad Nacional Autónoma de México, UNAM. Su experiencia profesional incluye la realización de estancias posdoctorales en la UNAM y la Universidad Autónoma Metropolitana de México, UAM, así como actividades de docencia e investigación en la Universidad Nacional de Colombia, UN. Sus áreas de interés incluyen la fabricación de metales porosos y aleaciones amorfas.

Jhoan Mauricio Moreno-Vargas, Universidad Nacional de Colombia

Ingeniero Físico y Magíster en Ciencias: Física. Títulos obtenidos en la Universidad Nacional de Colombia Sede Manizales. Actualmente realiza estudios de doctorado en Ciencias: Física. Se desempeña como docente ocasional en la Universidad Nacional Sede Manizales en las áreas de física e ingeniería de materiales.  Su área de interés es la síntesis y caracterización de materiales para ingeniería. 

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Published

2022-12-29

How to Cite

Moreno-Montoya, L. E., Baéz-Pimiento, S., & Moreno-Vargas, J. M. (2022). Synthesis and characterization of cellular Aluminum-Silicon metals with Open-Pore. Scientia Et Technica, 27(4), 215–222. https://doi.org/10.22517/23447214.24775

Issue

Vol. 27 No. 4 (2022): Octubre - Diciembre

Section

Mecánica

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