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Microwave heating effects on microstructure-properties correlations of the MAX compounds

Grant number: 16/13352-0
Support type:Regular Research Grants
Duration: April 01, 2017 - March 31, 2019
Field of knowledge:Engineering - Materials and Metallurgical Engineering
Principal Investigator:Ausdinir Danilo Bortolozo
Grantee:Ausdinir Danilo Bortolozo
Home Institution: Faculdade de Ciências Aplicadas (FCA). Universidade Estadual de Campinas (UNICAMP). Limeira , SP, Brazil


The MAX phases constitute a group of compounds that crystallize with Cr2AlC prototype. The MAX phases have typical hexagonal structures with space group P63/mmc. Among those materials crystallizing as a Cr2AlC prototype structure, the Ti3SiC2 phase has been widely investigated with potential application in aerospace components. This is due to combine some properties of both metals and ceramics, such as good electrical and thermal conductivities, machinability, thermal shock resistance, oxidation and corrosion resistance. The manufacturing of these phases has been extensively studied. Although it is an expensive technique, the hot pressing method predominantly induces to a single phase. The microwave heating has shown its applicability on many different materials. Shorter sintering times and better properties at the same sintering temperatures as in conventional sintering have been reported. Since the MAX phase properties are highly dependent of method, this work is focused on the microwave heating in order to prepare the MAX compounds. The Ti3SiC2, Ti2AlN, Ti2AlC, Ti2SnC, Ti3AlC2 and Ti3SnC2 compounds will be prepared by microwave heating. X-ray diffraction including Rietveld method, microstructural observation (SEM analysis) and mechanical properties (e.g. compressive strength and hardness) will be carried out in order to determine the efficiency of microwave heating on these proposed MAX phases. (AU)

Scientific publications (5)
(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)
RODRIGUES, JOAO FELIPE Q.; PADILHA, GIOVANA S.; BORTOLOZO, AUSDINIR D.; OSORIO, WISLEI R. Effect of sintering time on corrosion behavior of an Ag/Al/Nb/Ti/Zn alloy system. Journal of Alloys and Compounds, v. 834, SEP 5 2020. Web of Science Citations: 0.
PEREIRA ELIAS, ALFREDO LUIS; KOIZUMI, MURILO SHINITI; ORTIZ, EDER LOPES; QUEIROZ RODRIGUES, JOAO FELIPE; BORTOLOZO, AUSDINIR DANILO; OSORIO, WISLEI RIUPER; PADILHA, GIOVANA DA SILVA. Corrosion behavior of an Al-Si casting and a sintered Al/Si composite immersed into biodiesel and blends. Fuel Processing Technology, v. 202, JUN 1 2020. Web of Science Citations: 0.
CALADO, LUCAS D.; PADILHA, GIOVANA S.; OSORIO, WISLEI R.; BORTOLOZO, AUSDINIR D. Designing sintering time for a TiSiC compound: a microwave and conventional comparison. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, v. 104, n. 1-4, p. 1561-1570, SEP 2019. Web of Science Citations: 0.
BONATTI, RODRIGO S.; MEYER, YURI A.; BORTOLOZO, AUSDINIR D.; COSTA, DIEGO; OSORIO, WISLEI R. Morphology and size effects on densification and mechanical behavior of sintered powders from Al-Si and Al-Cu casting alloys. Journal of Alloys and Compounds, v. 786, p. 717-732, MAY 25 2019. Web of Science Citations: 4.
RODRIGUES, JOAO FELIPE Q.; COSTA, DIEGO; CONTIERI, RODRIGO J.; OSORIO, WISLEI R.; BORTOLOZO, AUSDINIR D. Microstructural characterization and mechanical behavior of an AgA1NbTiZn complex composition alloy produced using powder metallurgy (P/M). MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, v. 744, p. 305-315, JAN 28 2019. Web of Science Citations: 0.

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