Powder metallurgy mg-sn alloys: Production and characterization
Abstract
In this study, Mg-Sn alloys were produced with the addition of Sn to Mg powder at di erent ratios through the Powder Metallurgy (P/M) method. A new mixing technique was used in the production to avoid the disadvantages of high reactivity speci c to Mg powders. The prepared powder mixtures were turned into components by processing through hot pressing. The produced components were characterized by density measurements, microstructure examinations, and mechanical tests. The density measurements were made according to the Archimedes principle. The microstructural characterization was performed by X-Ray Di raction (XRD) analysis, Scanning Electron Microscope (SEM) investigations, and Energy Dispersive Spectrometry (EDS) analyses. The hardness measurements and tensile tests were used for determining mechanical properties. Densities close to the theoretical density were obtained in the produced parts. XRD and SEM investigations showed that the components produced were composed of -Mg and Mg2Sn phases of the microstructure consisting of coaxial grains. The rising Sn content increased the amount of discrete Mg2Sn precipitates at grain boundaries, thereby ensuring higher hardness and strength values. © 2020 Sharif University of Technology. All rights reserved.
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85088128523&doi=10.24200%2fSCI.2019.50212.1578&partnerID=40&md5=c29eb99a56f1ebd861b401c719322298http://acikerisim.bingol.edu.tr/handle/20.500.12898/3908
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