Efecto del conteo de nódulos en la resistencia al desgaste por abrasión de los hierros dúctiles austemperados

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ID: 85372
2009
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Abstract
Entre los materiales metálicos de mayor demanda, la producción de hierro con grafito nodular, ocupa en la actualidad, uno de los lugares más importantes entre los hierros fundidos de alta resistencia, y con la introducción del tratamiento térmico de austemperado, aplicado a estas fundiciones, se da lugar a una nueva familia de materiales, caracterizados por su alta resistencia mecánica y elevada tenacidad, que mantienen la economía y facilidad de producción de las fundiciones nodulares.Este trabajo, hace una valoración del comportamiento de hierros nodulares, con diferentes conteos de nódulos, a los que les fue aplicado el tratamiento de austemperado, y posteriormente se les sometió a ensayos de desgaste abrasivo. Con los resultados obtenidos, se hace un análisis de la influencia del conteo de nódulos en dichas propiedades, así como también, de la interrelación del conteo de nódulos, con las variables de tratamiento térmico utilizadas en las muestras ensayadas.Between the metallic materials of greater demand, the iron production with nódular graphite occupies at the present time, one of the most important places between fused irons of high resistance, and with the introduction of the austemperado heat treatment of, applied to these smeltings, gives rise to a new family of materials, characterized by its high resistance mechanical and elevated tenacity, that the economy and facility of production of the smeltings maintain nodulares. This work, makes a valuation of the iron behavior nodulares, with different counts from nodules, to which the austemperado was applied treatment to them of, and later it was put under to them tests of abrasive wearing down. Of the obtained results, an analysis takes control of the influence of the count of nodules in these properties, as well as, of the interrelation of the count of nodules, with the used variables of heat treatment in the tried samples.
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Authors Cicero, C. J. Diez;Fernández-López, G. R.;Ordóñez-Hernández, U.;Figueroa-Hernández, C. R.;Mondelo, F.;
Journal ingeniería mecánica
Year 2009
DOI
DOI not found
URL
http://www.cujae.edu.cu/ediciones/Revistas/Mecanica/Vol-12/2-09/08_2009_02_67_73.pdf
Keywords
Zoology Microbiology Biology (General) Botany Materials of engineering and construction. Mechanics of materials Technology Mechanical engineering and machinery Science environmental sciences agriculture forestry physiology

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