Scholarship 19/01432-8 - Solidificação, Propriedades mecânicas - BV FAPESP
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Microstructure development, corrosion and mechanical resistances of Mg-Si and Mg-Si-(x) alloys for biomedical application

Grant number: 19/01432-8
Support Opportunities:Scholarships in Brazil - Doctorate
Start date until: April 01, 2019
End date until: February 29, 2024
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Physical Metallurgy
Principal Investigator:José Eduardo Spinelli
Grantee:Guilherme Lisboa de Gouveia
Host Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Associated scholarship(s):22/01895-0 - Evaluation of the microstructural evolution of biomedical absorbable Mg alloys during corrosion process through non-destructive 3D analysis using the Absorption Contrast X-ray Tomography (ACT) technique, BE.EP.DR

Abstract

Deeper understanding of the microstructure formation and evolution as a function of solidification settings may be attained by using Cu-mold rapid solidification as well as water-cooled directional solidification techniques. This is explained by the broad range of conditions which can be tested at this point. The examination of microstructure parameters such as grain size and morphology/distribution of the intermetallic particles is essential to comprehend application properties of the Mg-Si based alloys. The present project aims to evaluate the Mg-0.5wt.%Si, Mg-1.38wt.%Si (eutectic) and Mg-2.3wt.%Si alloys. Furthermore, Sr, Ca and Zn-containing Mg-Si alloys will be generated as ternary compositions of interest. For all examined alloys, it is expected to evaluate the effects of the microstructure features in the corrosion and mechanical resistances.

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Scientific publications (4)
(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. 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)
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)
GOUVEIA, GUILHERME L.; GOMES, LEONARDO F.; CHEUNG, NOE; GARCIA, AMAURI; SPINELLI, JOSE E.. Mechanical Properties, Microstructural Features, and Correlations with Solidification Rates of Al-Cu-Si Ultrafine Eutectic Alloys. ADVANCED ENGINEERING MATERIALS, v. 23, n. 4, . (19/23673-7, 19/01432-8)
DONADONI, BRUNO; DE GOUVEIA, GUILHERME LISBOA; GARCIA, AMAURI; SPINELLI, JOSE EDUARDO. A comparison of experimental time-secondary dendritic spacing and coarsening models for Al-Si-Cu alloys. JOURNAL OF MANUFACTURING PROCESSES, v. 54, p. 14-18, . (19/01432-8, 17/12741-6)

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