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Optimización de los parámetros de temple y revenido para la precipitación de carburos secundarios M7C3 y MC y la eliminación de la austenita retenida para aumentar la resistencia al desgaste abrasivo en el acero para herramientas Vanadis 10.

Authors: González Pociño, Alejandro;

Optimización de los parámetros de temple y revenido para la precipitación de carburos secundarios M7C3 y MC y la eliminación de la austenita retenida para aumentar la resistencia al desgaste abrasivo en el acero para herramientas Vanadis 10.

Abstract

El acero Vanadis 10 es un acero de herramientas procesado por pulvimetalurgia (MP). Se trata de un acero ledeburítico con 8% Cr y 10% V. Mediante la variación deliberada de parámetros de proceso relacionados con el tratamiento térmico de estos aceros, se pretende determinar cuáles de estos parámetros tienen una influencia significativa en la variación microestructural y sobre la resistencia al desgaste abrasivo. La metodología de investigación seguida fue un Diseño de Experimentos (DoE) con 6 factores y 2 niveles para cada factor. Mediante XRD, se determinó el porcentaje y tipos de fases cristalinas precipitadas, y mediante SEM-EDX se reveló la microestructura. En cuanto a la variación microestructural, se destaca que la desestabilización de la austenita se vio favorecida por revenidos a 600ºC durante un mínimo de 4h. Estas mismas condiciones favorecieron la eliminación de la austenita retenida y la precipitación de carburos secundarios del tipo M7C3. Para la precipitación de carburos secundarios del tipo MC fue necesario permanecer un mínimo de 8 h a la temperatura de 1100ºC.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green