RESUMENEn este trabajo se estudió el comportamiento de las capas deformadas por el desgaste en los pasadores de esteras en los equipos de laboreo minero. Los datos experimentales se obtuvieron utilizando pasadores desgastados y deformes. Las muestras se cortaron bajo refrigeración constante para evitar cambio en su estructura. Para el análisis de la composición química se utilizó un espectrómetro cuántico. Además, se empleó el método de microscopía óptica para analizar el efecto del endurecimiento por deformación utilizando los perfiles de microdureza. Se encontró que los pasadores tiene una composición química de un acero tipo AISI 1045. Además, se determinó que poseen una microestructura martensítica, la cuál disminuye debido a la deformación por el efecto de la rodadura.Palabras claves: deformación; desgaste; endurecimiento; estructura; pasadores ABSTRACTIn this work, the behaviour of the deformed layers due to the mat pin wore in mining equipments has been studied. The experimental data were obtained using deformed and wore pins. Samples have been cut under constant refrigeration to avoid change in its structure. The chemical composition was determined using a quantum spectrometer. In addition, the method of optical microscopy was used in order to analyse the hardening effect by deformation using microhardened profiles. It was found that the pins have a chemical composition corresponding to the AISI 1045 steel. Furthermore, it was showed that pins have a martensitic microstruture, which decreases due to deformation by the rolling effect.
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