Revista de Metalurgia, Vol 53, No 1 (2017)

Posibilidades de reutilización de la chatarra de acero para la obtención de cuchillas para cortar


https://doi.org/10.3989/revmetalm.086

Nada Štrbac
University of Belgrade, Serbia
orcid http://orcid.org/0000-0003-4836-1350

Ivana Marković
University of Belgrade, Serbia
orcid http://orcid.org/0000-0003-4431-9921

Aleksandra Mitovski
University of Belgrade, Serbia
orcid http://orcid.org/0000-0002-9130-2076

Ljubiša Balanović
University of Belgrade, Serbia
orcid http://orcid.org/0000-0002-3551-6731

Dragana Živković
University of Belgrade, Serbia
orcid http://orcid.org/0000-0002-2745-5676

Vesna Grekulović
University of Belgrade, Serbia
orcid http://orcid.org/0000-0001-6871-4016

Resumen


El trabajo presenta los resultados de la caracterización de diversos tipos de aceros que han llegado al final de su ciclo de vida útil, y de los que se desconocía su composición química, propiedades mecánicas y tratamiento termomecánico aplicado previamente. El estudio se realizó con el objetivo de analizar las posibilidades de reutilización de algunos de estos materiales en aplicaciones agrícolas e industriales, obteniendo hojas de corte. Las formas exigidas a las hojas de corte se consiguieron aplicando diversos tipos de tratamientos termomecánicos. El análisis químico de la chatarra de acero de acero se realizó utilizando Energías Dispersivas de Rayos X. La microestructura se estudió utilizando Microscopía Óptica y Microscopía Electrónica de Barrido. La dureza de la chatarra de acero y de las cuchillas obtenidas se midió utilizando la escala Rockwell C. Los valores de dureza de las cuchillas obtenidas indican una buena selección de los productos finales de acero.

Palabras clave


Chatarra de acero; Cuchilla; Dureza; Microestructura

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