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This paper studies the influence of variables such as holding temperatures and times during austempering of High Chromium White Cast Iron (HCWCI), with the following chemical composition: Cr 25 %, C 3 %, Si 0.47 %, Mn 0.74 % and Mo 1.02 %. The aim of the austempering was to modify the percentage of retained austenite and its correlation to abrasive wear resistance under different conditions.Microhardness tests, SEM-EDS and XRD were performed to determine mechanical properties, chemical composition, and type of carbides and microstructures present, respectively. The tests complied with the ASTM G-65 standard. Results showed that the best performance against abrasion was achieved for austempering at 450 ºC with holding time of 6 hours.

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Autor(es)

Higuera Cobos, Oscar Fabián -  Bucurú Vasco, Jeison -  Loaiza Patiño, Andrés Felipe -  Monsalve, Mónica -  Mesa Grajales, Dairo Hernán - 

Id.: 71418538

Idioma: eng  - 

Versión: 1.0

Estado: Final

Tipo:  application/pdf - 

Palabras claveMaterials Engineering - 

Tipo de recurso: text (article)  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

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Formatos:  application/pdf - 

Requerimientos técnicos:  Browser: Any - 

Relación: [IsBasedOn] Facultad de Ingeniería, ISSN 0121-1129, Vol. 26, Nº. 46, 2017, pags. 71-79

Fecha de contribución: 13-jun-2018

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* (Revista) ISSN 0121-1129

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