Comportamiento en fluencia de un material compuesto de matriz metálica Al6061-15 vol % SiC<sub>w</sub> pulvimetalúrgico

R. Fernández; E. García-Alonso; G. González-Doncel

doi:10.3989/revmetalm.2005.v41.iExtra.1032

Creep behavior of a PM Al6061-15 vol % SiC_w metal matrix composite

Authors

R. Fernández Departamento de Metalurgia Física, Centro Nacional de Investigaciones Metalúrgicas (CENIM), CSIC
E. García-Alonso Departamento de Metalurgia Física, Centro Nacional de Investigaciones Metalúrgicas (CENIM), CSIC
G. González-Doncel Departamento de Metalurgia Física, Centro Nacional de Investigaciones Metalúrgicas (CENIM), CSIC

DOI:

https://doi.org/10.3989/revmetalm.2005.v41.iExtra.1032

Keywords:

Creep, Metal matrix composite, Powder metallurgy, Aluminum alloys

Abstract

The creep behavior of a powder metallurgy (PM) Al6061-15 vol % SiC_w metal matrix composite has been studied. This behavior has been compared to that of 6061Al cast alloy and 6061Al PM alloy. The creep response of the PM unreinforced alloy is better than that of the cast 6061Al alloy. Similarly, the behavior of the composite is better than that of the PM unreinforced alloy. Two microstructural factors have been considered the responsible ones of this improvement. The first one is the dispersion of Al₂O₃ oxide particles of nanometric scale. The second one, is the presence of the SiC whisker reinforcement of micrometric scale. Despite the similar strengthening effect, the intrinsic nature of the reinforcing mechanism is, however, different for each type of particle due to the different microstructural scale.

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Published

2005-12-17

How to Cite

Fernández, R., García-Alonso, E., & González-Doncel, G. (2005). Creep behavior of a PM Al6061-15 vol % SiCw metal matrix composite. Revista De Metalurgia, 41(Extra), 239–243. https://doi.org/10.3989/revmetalm.2005.v41.iExtra.1032

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Issue

Vol. 41 No. Extra (2005)

Section

Articles

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