2025-09-042025-09-042025-06-13FRANÇA, Giovana Zagalo de. Influência da cura térmica na resistência compressiva de geopolímeros para a aplicação como agregados sintéticos. Orientador: Alisson Clay Rios da Silva. 2025. 82 f. Trabalho de Curso (Bacharelado em Engenharia de Materiais) – Faculdade de Engenharia de Materiais, Campus Universitário de Ananindeua, Universidade Federal do Pará, Ananindeua, 2025. Disponível em: https://bdm.ufpa.br/handle/prefix/8528. Acesso em:.https://bdm.ufpa.br/handle/prefix/8528Geopolymers have great potential for use in the construction industry. They are geopolymer matrixes composed of aluminosilicates activated by an alkaline solution, which can be manufactured with any material or residue that has an adequate amount of amorphous silicon (Si) and aluminum (Al). With excellent mechanical, thermal and durability properties, geopolymers are an ecological and efficient alternative, aligned with sustainability in civil construction. Thus, in this study, we sought to develop the production of geopolymer pastes thermally cured at temperatures of 40°C, 60°C and 80°C for 1, 2, 3 and 4 hours with curing ages of 3 and 7 days, to determine the best compressive strength result. The raw materials used were: blast furnace slag as a source of calcium, metakaolin as a source of silicon (Si) and aluminum (Al), and sodium hydroxide and alkaline silicate as the activating solution. X-ray Diffraction (XRD), X-ray Fluorescence (XRF) and Fourier Transform Infrared Spectroscopy (FTIR) characterizations and physical Loss on Ignition test were performed on the raw materials used. Finally, Scanning Electron Microscopy (SEM) analysis of the ruptured samples after the compressive strength test was performed. The results show that the geopolymer paste cured at a temperature of 40°C for 3 hours with a curing age of 7 days obtained greater compressive strength, reaching 45.5 MPa, suggesting that under these conditions, the formation of N-A-S-H gels intensifies and forms a more cohesive three-dimensional structure, in addition to the possible complementary formation of C-A-S-H gel, coming from the calcium source present in the chemical composition of the blast furnace slag. The morphological analysis by SEM showed a compact and dense matrix for pastes with 7 days of curing. Therefore, it is concluded that the raw materials used are suitable for geopolymer production, and that the ideal curing conditions were found at 40°C with 3 hours and a curing age of 7 days. These results demonstrate the effectiveness of this condition in the mechanical performance of geopolymers. Thus, this configuration is recommended as the most efficient for application as synthetic aggregates.Acesso AbertoGeopolímeroCura térmicaResistênciaCompressãoGeopolymerThermal curingStrengthCompressiveCNPQ::ENGENHARIAS::ENGENHARIA DE MATERIAIS E METALURGICA::MATERIAIS NAO METALICOS::POLIMEROS, APLICACOESTrabalho de Curso - Graduação - MonografiaAttribution-NonCommercial-NoDerivs 3.0 Brazil