Abstract
AbstractRecent developments in the field of carbon nanotube (CNT) have attracted attentions on a new development of aluminum matrix composite (AMC). Homogenous dispersion and interfacial bonding of CNT/metal matrix are the two main problems yet to have sound solutions. In general, to ensure uniform dispersion, the overall process can be divided into three steps: preprocessing, mixing and post processing. This paper summarizes previous works on solid and liquid processing techniques which some are more successful than others by looking at the improvement of the composite tensile strengths. On the other hand the interfacial bonding depends on the existance of Al4C3 phase and physical conditions of CNT. Both elements must be controlled for the optimized results. The review presented here would be used as references in the future works to fabricate higher strength CNT/aluminum composites.
Highlights
Recent developments in the field of carbon nanotube (CNT) have attracted attentions on a new development of aluminum matrix composite (AMC)
This paper summarizes previous works on solid and liquid processing techniques which some are more successful than others by looking at the improvement of the composite tensile strengths
Elshalakany et al [28] fabricated a block of multiwalled carbon nanotube (MWCNT), aluminum powder, and stearic acid to increase the density which submerged into the molten form in the preprocessing step
Summary
Abstract: Recent developments in the field of carbon nanotube (CNT) have attracted attentions on a new development of aluminum matrix composite (AMC). This paper provides an overview of recent research of CNT-AMC in the solid and liquid state processing routes, the impact on improving the mechanical properties as well as some of the critical approaches taken to overcome the problems that have been discussed. These multiple-walled composites were higher compared to those based with Cu, the 2MCNT produced good friction and wear properties compared to 8MCNT and 20MCNT.
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