Examinando por Autor "Martínez García, Juan Camilo"
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- ÍtemAnálisis de falla de elementos de transmisión obtenidos de DINISSANMartínez García, Juan Camilo; García Peralta, Jhonatan Wilmer; Cendales Ladino, Edwin DaríoIn this project, failure analysis is presented to determine the causes and events that gave rise to the fracture in a differential by means of a study of fatigue and fracture. The analysis was performed by cutting a highly affected sample, in which a roughing was done through a sanding process to obtain a mirror shine on the surface, in addition to a chemical attack to achieve more accurate parameters in the metallographic analysis. The presence of martensite reave in the form of traces, a ferritic matrix (Gray) and a hardness value under the structure belonging to a steel 1040 or 4140 was observed. The cause of such failure was an erroneous maintenance in the process of lubrication of the pieces, as a thermal treatment of tempering in its manufacture causing a decrease in its hardness, it should be noted that being a purely experimental analysis is not necessary to perform mathematical calculations. (Apartes del texto)