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Obtención de material compuesto de matriz de aluminio reforzado con grafeno mediante pulvimetalurgia

Authors: Bolaños-Bernal, Sergio Esteban; Angarita-Moncaleano, Irma;

Obtención de material compuesto de matriz de aluminio reforzado con grafeno mediante pulvimetalurgia

Abstract

Varios investigadores han reportado el grafeno como un refuerzo ideal para materiales compuestos debido a sus interesantes propiedades [1]. El material compuesto de matriz de aluminio reforzado con grafeno se fabricó por procesos de pulvimetalurgia. En este estudio se investigó el efecto de la morfología del polvo de aluminio sobre la capacidad de compactación y la resistencia mecánica del material compuesto. Se utilizaron diferentes tiempos de molienda para determinar el tiempo óptimo requerido en la fabricación. Se determinó la carga de compactación adecuada variando sus valores y analizando el efecto de las diferentes cargas en las características del material. Se establecieron los parámetros de sinterizado de acuerdo con los estudios previos empleados por otros investigadores. Finalmente, se determina que con 0.5% wt de grafeno se presentan fenómenos de refinamiento del grano y mayor conductividad eléctrica del compuesto con respecto al aluminio pulvimetalúrgico.

Several researchers have reported graphene as an ideal reinforcement for composite materials due to its interesting properties [1]. The graphene-reinforced aluminium matrix composite material was obtaining by powder metallurgy. This study investigated the effect of aluminum powder morphology on compaction capacity and mechanical strength of composite material. Different milling times were used to determine the optimal time required in manufacturing. The proper compaction load was determined change its values and analyzing the effect of the different loads on the characteristics of the composite. Sintering parameters were established according to previous studies employed by other researchers. Finally, it is determined that with 0.5% wt graphene presents phenomena of grain refinement and higher electrical conductivity of the compound with respect to powder metallurgical aluminum.

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Keywords

Technology, T, material compuesto, graphene, matriz metálica, composite material, Engineering (General). Civil engineering (General), grafeno, powder metallurgy, Powder metallurgy; metal matrix; composite material; graphene, Powder metallurgy, Pulvimetalurgia; matriz metálica; material compuesto; grafeno, metal matrix, TA1-2040, Pulvimetalurgia

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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