| Grant number: | 21/00251-0 |
| Support Opportunities: | Scholarships in Brazil - Doctorate |
| Start date: | August 01, 2021 |
| End date: | February 28, 2025 |
| Field of knowledge: | Engineering - Materials and Metallurgical Engineering |
| Principal Investigator: | Victor Carlos Pandolfelli |
| Grantee: | Murilo Henrique Moreira |
| Host Institution: | Centro de Ciências Exatas e de Tecnologia (CCET). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil |
| Associated scholarship(s): | 22/12406-0 - Neutron tomography analysis of refractory catables drying, BE.EP.DR |
Abstract This research project aims to develop a computational tool to predict the behavior of refractory castables during drying, based on data obtained from experimental analysis and numerical models. This processing step is of fundamental importance to guarantee the good performance and properties of these materials, as cracks, damages and, ultimately, explosions, can occur in these ceramic linings if the initial heating is not properly conducted. Currently, there is a lack of a scientific approach that includes both experimental and advanced computational studies for the evaluation of refractory castable drying curves. Previous studies have not reported the existence of a numerical model capable of considering thermal, mass transfer and mechanical aspects, and also able to predict the nucleation and the growth of cracks in these ceramic materials under the drying conditions observed in real situations. The resulting computational tool will be useful to be applied in the refractory industry, as well as in the area of civil construction structures, which presents similar scenarios (such as fire situations with the rapid heating of concretes based on Portland cement). Thus, questions regarding technological application will be considered, always valuing possible simplifications that do not decrease the theoretical consistency and the forecasting capacity of the model, in addition to conducting the entire development of the tool through widely accessible open source softwares. Finally, advanced experimental techniques such as neutron and X-rays tomography, already successfully used in the study of water transport in Portland cement-based concrete, will be used both for the study of this process, as well as for characterization of material properties and validation of models, being those an unprecedented approach in the current set of studies involving the drying of refractory castables. (AU) | |
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