Examinando por Materia "Crack repair"
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Ítem Una alternativa para el estudio de los dientes humanos(Universidad EAFIT, 2020-12-01) Martinez Guerrero, Christian Alexander; Martinez-Guerrero, Christian Alexander; Arango Santander, Santiago; Carolina, Montoya; Pelaez, Vargas Alejandro; Ossa, Edgar Alexander; Materiales de IngenieríaÍtem Chemical, structural and mechanical characterization of bovine enamel(PERGAMON-ELSEVIER SCIENCE LTD, 2020-01-01) Arango-Santander S.; Montoya C.; Pelaez-Vargas A.; Ossa E.A.; Arango-Santander S.; Montoya C.; Pelaez-Vargas A.; Ossa E.A.; Universidad EAFIT. Departamento de Ingeniería de Producción; Materiales de IngenieríaObjective: The purpose of this investigation was to establish microstructure, microhardness, fracture toughness, chemical composition, and crack repair of bovine enamel and to compare these features with their human counterparts. Design: Bovine enamel fragments were prepared and optical microscopy and atomic force microscopy were used to establish microstructure; Raman spectroscopy was used to estimate composition and microindentation using Vickers testing was performed to evaluate hardness. Results: A strong dependence between indentation load and microhardness values was observed, as was the case in human enamel. Similar microstructure and chemical composition between bovine and human enamel, 7.89% lower microhardness and 40% higher fracture toughness values for bovine enamel were found. Conclusion: From a structural and mechanical standpoint, bovine enamel is a suitable alternative to human enamel for in vitro testing of dental products. © 2019 Elsevier LtdÍtem Dientes bovinos: una alternativa para implantes dentales humanos(2021-04-05) Martinez Guerrero, Christian Alexander; Christian Alexander Martinez-Guerrero; Arango Santander, Santiago; Montoya, Carolina; Pelaez Vargas, Alejandro; Ossa, Alexander; Vicerrectoría de Descubrimiento y Creación