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Evaluation of SiC-particle connectivity in functionally graded Al/SiCp composit...
Velhinho, A.; Vignoles, G.; Cloetens, P.; Thibault, X.; Boller, E.; Fernandes, F. M. Braz; Rocha, L. A.; Botas, J. D.Reliability of functionally graded metal matrix composites (FGMMCs) for automotive components is still dependent on the detailed knowledge of the mechanisms of the microstructural build-up, for instance on the mechanisms leading to the distribution and relative positions of the reinforcing particles. In order to assess the influence of the SiC particle size on the 3-D inter-particle connectivity in functionally...
Tribocorrosion studies in centrifugally cast al-matrix siCp-reinforced function...
Velhinho, A.; Botas, J. D.; Ariza, E.; Gomes, J. R.; Rocha, L. A.The present work reports results obtained from a series of preliminary experiments aiming at complementing the current knowledge about the wear behaviour of centrifugally-cast FGM Al/SiCp composites, through concurrent corrosion processes. Precursor MMC’s were prepared by rheocasting, using 118.8 µm SiC particles and an Al-10Si–2.2 Mg alloy. Those MMC’s were then molten and centrifugally cast in order to produc...
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