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Minería y Geología

versión On-line ISSN 1993-8012

Resumen

HERNANDEZ-DE LA TORRE, Jesús; GARCIA-DOMINGUEZ, Asdrúbal Braulio  y  MARTIN-CARVAJAL, Luis Orlando. Gray cast iron for sugar mills trash plates. Min. Geol. [online]. 2019, vol.35, n.2, pp.210-219. ISSN 1993-8012.

Improved materials are required for increasing the durability of sugar mills trash plates, considering their mechanical properties. The aim of this work was to obtain a gray cast iron, slightly alloyed with chromium, to raise the combined wear resistance. The gray alloy cast was proposed with 0,5% Cr and 0,1% Sn, with a high level of perlite, and the performance of its properties was compared with the other experimental alloys. Finally, it is demonstrated that the values of hardness and combined strength of the proposed alloy are adequate and guarantee an acceptable machinating, which makes this alloy an advantageous material in comparison with those currently used.

Palabras clave : gray cast iron; laminar graphite; sugar mills; trash plates; machinating; tribologic pair.

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