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Efecto de las fronteras de grano en la tenacidad a la fractura de materiales nano-cristalinos fisurados

Authors: Velilla Díaz, Wilmer;

Efecto de las fronteras de grano en la tenacidad a la fractura de materiales nano-cristalinos fisurados

Abstract

En la presente investigación se desarrolló una nueva metodología para estimar el valor de la tenacidad a la fractura de materiales nanocristalinos usando dinámica molecular. La metodología se aplicó para monocristales y bicristales de aluminio, con la finalidad de estudiar el efecto de la frontera de grano. Se estimó la tenacidad a la fractura en función de los parámetros de la mecánica de la fractura: Kc y Jc . J fue estimada a partir de los resultados de las simulaciones moleculares. Se observó que la tenacidad para los bicristales es casi cinco veces mayor que el valor de los monocristales.

Country
Colombia
Related Organizations
Keywords

Nanocristales, Fractura mecánica

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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