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Study ultra rapid sintering and low energy consumption: flash Sintering

Abstract

A new concept of extensively studied materials involves nanostructured materials, which can be defined as systems that contain at least one microstructural characteristic with nanometric dimensions. These nanostructures may be responsible for particular characteristics of the nanocomposites in their properties such as increased hardness, fracture mode to change from transgranular intragranular, besides improving the mechanical properties and wear. In this context, the objective of this project is focused on the study and development of nanocomposites zirconia ceramic matrix initially containing nanometric inclusions of alumina using an unconventional and fast route of sintering: sintering flash process. In the flash sintering is assisted by electromagnetic field. In this technique, low electromagnetic field values and a direct current (DC) or alternating current (AC) is applied during the sintering. As a result, one obtains a significantly accelerated sintering rate and a reduction in the ceramic grain growth. Thus, no conventional sintering techniques (such as flash sintering) are promising alternatives for the control of the microstructure of ceramics, using up to 70% less energy during the sintering process. (AU)

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Scientific publications (15)
(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 ABREU, MARIANA G.; PALLONE, ELIRIA M. J. A.; FERREIRA, JULIETA A.; CAMPOS, JOAO V.; DE SOUSA, RAFAEL V.. Evaluation of machine learning based models to predict the bulk density in the flash sintering process. MATERIALS TODAY COMMUNICATIONS, v. 27, . (18/04331-5, 15/07319-8)
OJAIMI, CHRISTIANE L.; FERREIRA, JULIETA A.; CHINELATTO, ADILSON L.; SALEM, RAPHAEL E. P.; CHINELATTO, ADRIANA S. A.; PALLONE, ELIRIA M. J. A.. Microstructure and mechanical properties of Al2O3/ZrO2 composites by two-step sintering. International Journal of Applied Ceramic Technology, v. 17, n. 4, . (16/13256-1, 15/07319-8)
STORION, ANA GABRIELA; FERREIRA, JULIETA ADRIANA; MAESTRELLI, SYLMA CARVALHO; DE JESUS AGNOLON PALLONE, ELIRIA MARIA. Influence of the forming method on flash sintering of ZnO ceramics. CERAMICS INTERNATIONAL, v. 47, n. 1, p. 965-972, . (18/11143-0, 15/07319-8)
OJAIMI, CHRISTIANE LAGO; FERREIRA, JULIETA ADRIANA; CHINELATTO, ADILSON LUIZ; ANTONIO CHINELATTO, ADRIANA SCOTON; DE JESUS AGNOLON PALLONE, ELIRIA MARIA. Microstructural analysis of ZrO2/Al2O3 composite: Flash and conventional sintering. CERAMICS INTERNATIONAL, v. 46, n. 2, p. 2473-2480, . (16/13256-1, 15/07319-8)
CAMPOS, V, JOAO; LAVAGNINI, ISABELA R.; PEREIRA DA SILVA, JOAO G.; FERREIRA, JULIETA A.; SOUSA, V, RAFAEL; MUECKE, ROBERT; GUILLON, OLIVIER; PALLONE, ELIRIA M. J. A.. Flash sintering scaling-up challenges: Influence of the sample size on the microstructure and onset temperature of the flash event. SCRIPTA MATERIALIA, v. 186, p. 1-5, . (18/04331-5, 15/07319-8)
DE SOUSA, RAFAEL V.; BORSATTO, LUCAS BASOLLI; CAMPOS, JOAO, V; FERREIRA, JULIETA A.; MONTEIRO, FABULO RIBEIRO; PALLONE, ELIRIA M. J. A.. Modeling and simulation of the flash sintering: An approach to study the influence of process attributes on the flash phenomenon and microstructure. MATERIALS TODAY COMMUNICATIONS, v. 37, p. 6-pg., . (15/07319-8, 19/14677-9, 18/04331-5)
CAMPOS, JOAO VITOR; LAVAGNINI, ISABELA REIS; DE SOUSA, RAFAEL VIEIRA; FERREIRA, JULIETA ADRIANA; DE JESUS AGNOLON PALLONE, ELIRIA MARIA. Development of an instrumented and automated flash sintering setup for enhanced process monitoring and parameter control. Journal of the European Ceramic Society, v. 39, n. 2-3, p. 531-538, . (18/04331-5, 15/07319-8)
SALEM, R. E. P.; MONTEIRO, F. R.; GUTIERREZ-GONZALEZ, C. F.; BORRELL, A.; SALVADOR, M. D.; CHINELATTO, A. S. A.; CHINELATTO, A. L.; FERREIRA, J. A.; PALLONE, E. M. J. A.. Effect of Al2O3-NbC nanopowder incorporation on the mechanical properties of 3Y-TZP/Al2O3-NbC nanocomposites obtained by conventional and spark plasma sintering. CERAMICS INTERNATIONAL, v. 44, n. 2, p. 2504-2509, . (15/07319-8)
INACIO DA COSTA SARTORI, THAUANE APARECIDA; FERREIRA, JULIETA ADRIANA; OSIRO, DENISE; COLNAGO, LUIZ ALBERTO; DE JESUS AGNOLON PALLONE, ELIRIA MARIA. Formation of different calcium phosphate phases on the surface of porous Al2O3-ZrO2 nanocomposites. Journal of the European Ceramic Society, v. 38, n. 2, p. 743-751, . (15/07319-8)
DOS SANTOS, KATIA HELENA; FERREIRA, JULIETA ADRIANA; OSIRO, DENISE; ANDRADE DA CONCEICAO, GELSON JOSE; COLNAGO, LUIZ ALBERTO; ALVES JUNIOR, CLODOMIRO; DE JESUS AGNOLON PALLONE, ELIRIA MARIA. Plasma surface treatments of Al2O3/ZrO2 nanocomposites and their influence on the formation and adhesion of calcium phosphates. Applied Surface Science, v. 456, p. 552-560, . (14/11100-9, 15/07319-8)
LAVAGNINI, ISABELA R.; CAMPOS, V, JOAO; FERREIRA, JULIETA A.; PALLONE, ELIRIA M. J. A.. Microstructural evolution of 3YSZ flash-sintered with current ramp control. Journal of the American Ceramic Society, v. 103, n. 6, p. 3493-3499, . (18/04331-5, 15/07319-8)
OJAIMI, CHRISTIANE LAGO; FERREIRA, JULIETA ADRIANA; DOS SANTOS, FABIO ANDRE; CHINELATTO, ADILSON LUIZ; DE JESUS AGNOLON PALLONE, ELIRIA MARIA; ANTONIO CHINELATTO, ADRIANA SCOTON. Mechanical characterisation and hydrothermal degradation of Al2O3-15 % vol ZrO2 nanocomposites consolidated by two-step sintering. CERAMICS INTERNATIONAL, v. 44, n. 14, p. 16128-16136, . (16/13256-1, 15/07319-8)
SALEM, RAPHAEL E. P.; GUITERREZ-GONZALEZ, CARLOS F.; BORRELL, AMPARO; SALVADOR, MARIA DOLORES; CHINELATTO, ADILSON L.; CHINELATTO, ADRIANA S. A.; PALLONE, ELIRIA M. J. A.. Dry-sliding wear behavior of 3Y-TZP/Al2O3-NbC nanocomposites produced by conventional sintering and spark plasma sintering. International Journal of Applied Ceramic Technology, v. 16, n. 3, p. 1265-1273, . (15/07319-8)
LAVAGNINI, ISABELA R.; CAMPOS, JOAO V.; PALLONE, ELIRIA M. J. A.. Microstructure evaluation of 3YSZ sintered by Two-Step Flash Sintering. CERAMICS INTERNATIONAL, v. 47, n. 15, p. 21618-21624, . (18/04331-5, 15/07319-8)
SANTOS, KATIA HELENA; FERREIRA, JULIETA ADRIANA; OSIRO, DENISE; CARVALHO, ROSEMARY APARECIDA DE; COLNAGO, LUIZ ALBERTO; JUNIOR, CLODOMIRO ALVES; PALLONE, ELIRIA MARIA DE JESUS AGNOLON. Influence of the cold plasma treatment on the Al2O3/ZrO2 nanocomposites surfaces. Applied Surface Science, v. 531, . (15/07319-8)

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