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Detection and quantification of fracture mechanisms of ceramics at room and high temperatures using digital image correlation

Grant number: 18/15266-0
Support Opportunities:Regular Research Grants
Duration: December 01, 2018 - November 30, 2022
Field of knowledge:Engineering - Mechanical Engineering - Mechanics of Solids
Convênio/Acordo: CNRS
Mobility Program: SPRINT - Projetos de pesquisa - Mobilidade
Principal Investigator:Rodrigo Bresciani Canto
Grantee:Rodrigo Bresciani Canto
Principal researcher abroad: François Hild
Institution abroad: Laboratoire de Mécanique et Technologie (LMT Cachan), France
Host Institution: Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil
Associated research grant:18/02801-4 - Identification of material models for numerical simulation of powder pressing, AP.R

Abstract

A first part is related to the end of the master's project of Rafael Vargas (Wedge Splitting Test - WST - at room temperature, #2017/05678-6), and its defense. A second part will deal with the definition of the PhD work of Rafael Vargas for which a joint Brazilian/French supervision (cotutelle) is aimed for. One key aspect of that work is related to high temperature WSTs on refractories when monitored by Digital Image Correlation (DIC) and stereocorrelation (SC). Feasibility analyses will be performed (up to 700 ºC) in France on materials processed in Brazil. Higher temperature experiments will be prepared in Brazil with the French expertise on conducting DIC and SC analyses at higher temperatures (up to 1200 ºC). The feasibility of in situ wedge splitting tests will be assessed in the French tomograph with the help of the Brazilian team. The expertise of the French team on DIC and developments of identification techniques will improve the ongoing Fapesp project (#2018/02801-4) that applies DIC to the identification of numerical constitutive models of ceramic materials made by powder pressing. The know-how of the Brazilian team on processing ceramics with different formulations and engineering its microstructure will then give interesting test cases for methodologies used in the French laboratory. It is worth noting that performing WSTs at higher temperatures is rare, and was never reported with DIC analyses, which may be considered as a scientific advance on both teams' research fields. (AU)

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Scientific publications (11)
(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)
VARGAS, R.; PINELLI, X.; SMANIOTTO, B.; HILD, F.; CANTO, R. B.. On the effect of sintering temperature on the fracture energy of an Alumina-Mullite-Zirconia castable at 600?C. Journal of the European Ceramic Society, v. 41, n. 7, p. 4406-4418, . (18/15266-0, 18/23081-0, 18/02801-4)
DE MELO, CAIUA CALDEIRA; FURLAN, MATHEUS; HILD, FRANCOIS; SCHMITT, NICOLAS; CANTO, RODRIGO BRESCIANI. Uniaxial compression test on ceramic green compact with bending consideration using digital image correlation. Powder Technology, v. 376, p. 136-148, . (18/02801-4, 18/15266-0)
VARGAS, R.; TSITOVA, A.; BERNACHY-BARBE, F.; BARY, B.; CANTO, R. B.; HILD, F.. On the identification of cohesive zone model for curved crack in mortar. STRAIN, v. 56, n. 6, p. 22-pg., . (18/23081-0, 18/15266-0)
SCIUTI, V. F.; HILD, F.; PANDOLFELLI, V. C.; SANTOS, T.; SMANIOTTO, B.; CANTO, R. B.. Digital image correlation applied to in situ evaluation of surface cracks upon curing of MgO-containing refractory castables. Journal of the European Ceramic Society, v. 41, n. 1, p. 1003-1014, . (18/15266-0)
SCIUTI, VINICIUS FIOCCO; VARGAS, RAFAEL; CANTO, RODRIGO BRESCIANI; HILD, FRANCOIS. Modal characterization of crack network development in an MgO containing refractory castable. JOURNAL OF STRAIN ANALYSIS FOR ENGINEERING DESIGN, v. N/A, p. 11-pg., . (18/23081-0, 18/02801-4, 18/15266-0)
SCIUTI, V. F.; VARGAS, R.; CANTO, R. B.; HILD, F.. Pyramidal adaptive meshing for Digital Image Correlation dealing with cracks. ENGINEERING FRACTURE MECHANICS, v. 256, . (10/20920-9, 18/15266-0, 18/23081-0, 18/02801-4)
VARGAS, R.; CANTO, R. B.; HILD, F.; ROUX, S.. On accounting for speckle extinction via DIC and PCA. OPTICS AND LASERS IN ENGINEERING, v. 149, . (18/15266-0, 18/23081-0)
VARGAS, R.; CANTO, R. B.; HILD, F.. On the calibration of cohesive parameters for refractories from notch opening displacements in wedge splitting tests. Journal of the European Ceramic Society, v. 41, n. 14, p. 7348-7361, . (18/15266-0, 18/23081-0, 10/20920-9)
VARGAS, R.; TSITOVA, A.; BERNACHY-BARBE, F.; BARY, B.; CANTO, R. B.; HILD, F.. On the identification of cohesive zone model for curved crack in mortar. STRAIN, v. 56, n. 6, SI, . (18/15266-0, 18/23081-0)
VARGAS, R.; CANTO, R. B.; HILD, F.. Cohesive properties of refractory castable at 600 degrees C: Effect of sintering and testing temperature. Journal of the European Ceramic Society, v. 42, n. 14, p. 17-pg., . (18/15266-0, 20/08077-6, 18/23081-0, 21/09238-6)

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