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Microstructures, morphologies and mechanical properties of Mg-Si eutectic

Grant number: 19/22163-5
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): December 01, 2019
Effective date (End): November 30, 2020
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Physical Metallurgy
Principal Investigator:José Eduardo Spinelli
Grantee:Felipe Escher Saldanha
Host Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil

Abstract

The performance of Mg-Si alloys is affected by both microstructure features and morphology of the Mg2Si phase. Some of the containing-Si Mg alloys of interest (either binary or ternary chemistries) show high proportion of eutectic constituting the microstructure. As such, eutectic size, distribution and morphology are aspects to be evaluated in a coupled way with the form of the Mg-rich matrix. Inter-relations of the mentioned features with the mechanical properties of the Mg-1.4 wt.%Si eutectic remain still a task to be accomplished as verified in the specialized literature. With this in mind, the main purpose here is to perform an analysis of the thermal and microstructure parameters such as grain size, cooling rate, morphologies of the phases as well as tensile properties and hardness of the Mg-1.4 wt.%Si eutectic. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DE GOUVEIA, GUILHERME LISBOA; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO. Towards a morphological control of Mg2Si and superior tensile properties of high-Zn Mg-0.6Si (-Zn) alloys. Materials Letters, v. 299, . (19/23673-7, 19/22163-5, 19/01432-8)
DE GOUVEIA, GUILHERME LISBOA; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO. Tailoring microstructure and tensile properties of Mg-Si alloys varying solidification cooling rate and Si content. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v. 825, . (19/23673-7, 19/22163-5, 19/01432-8)

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