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Keywords = ISO 6876 indentation test

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Article
Impact of Particle Size on the Setting Behavior of Tricalcium Silicate: A Comparative Study Using ISO 6876 Indentation Testing and Isothermal Induction Calorimetry
by Anarela Vassen Bernardi, Marcelo Tramontin Souza, Oscar Rubem Klegues Montedo, Felipe Henrique Fassina Domingues, Sabrina Arcaro and Patrícia Maria Poli Kopper
Bioengineering 2024, 11(1), 36; https://doi.org/10.3390/bioengineering11010036 - 28 Dec 2023
Cited by 6 | Viewed by 2991
Abstract
This study examines the impact of particle size on the setting behavior of tricalcium silicate powders. The setting behavior was evaluated using ISO 6876 indentation testing and isothermal induction calorimetry techniques. The objective was to compare the outcomes obtained from these methods and [...] Read more.
This study examines the impact of particle size on the setting behavior of tricalcium silicate powders. The setting behavior was evaluated using ISO 6876 indentation testing and isothermal induction calorimetry techniques. The objective was to compare the outcomes obtained from these methods and establish a correlation between particle size and setting characteristics. The cement pastes were manually mixed with a water-to-solid ratio of 0.66 for conducting indentation tests according to ISO 6876, while calorimetry measurements were performed using isothermal (conduction) calorimetry at room temperature. The findings demonstrate a significant influence of smaller particle sizes on accelerating the hydration process of cement pastes, resulting in a reduction of setting time by up to 24%. Moreover, the final setting times obtained through the indentation method closely approximate the inflection points of the acceleration curves acquired by calorimetry, with time deviations of less than 12% regardless of particle size. Full article
(This article belongs to the Special Issue Biomaterials in Dental Applications)
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