MSA  Vol.2 No.1 , January 2011
Carbon Nanotube Addition to Simultaneously Enhance Strength and Ductility of Hybrid AZ31/AA5083 Alloy
ABSTRACT
AZ31/AA5083 hybrid alloy nanocomposite containing CNT nanoparticle reinforcement was fabricated using solidification processing followed by hot extrusion. The AZ31/AA5083 hybrid alloy nanocomposite exhibited similar grain size to monolithic AZ31/AA5083 hybrid alloy, reasonable CNT nanoparticle distribution, non-dominant (0 0 0 2) texture in the longitudinal direction, and 20% higher hardness than monolithic AZ31/AA5083 hybrid alloy. Compared to monolithic AZ31/AA5083 hybrid alloy (in tension), the AZ31/AA5083 hybrid alloy nanocomposite exhibited higher 0.2% TYS, UTS, failure strain and work of fracture (WOF) (+ 9%, + 4%, + 38% and + 44%, respectively). Also, compared to monolithic AZ31/AA5083 hybrid alloy (in compression), the AZ31/AA5083 hybrid alloy nanocomposite exhibited similar 0.2% CYS (+ 1%), and higher UCS, failure strain and WOF (+ 7%, + 23% and + 23%, respectively). The effect of CNT nanoparticle addition on the enhanced tensile and compressive response of AZ31/AA5083 hybrid alloy is investigated in this paper.

Cite this paper
nullM. Paramsothy, M. Gupta, J. Chan and R. Kwok, "Carbon Nanotube Addition to Simultaneously Enhance Strength and Ductility of Hybrid AZ31/AA5083 Alloy," Materials Sciences and Applications, Vol. 2 No. 1, 2011, pp. 20-29. doi: 10.4236/msa.2011.21004.
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