Spark plasma sintering of MWCNT reinforced aluminum matrix composites
Aluminum (Al)/multi-walled carbon nanotubes (MWCNTs) composites with 0.5 wt%, 1.0 wt% and 2.0 wt% were fabricated by spark plasma sintering. The carbon nanotubes were well dispersed using “can rolling” method. MWCNTs were chemically treated with sodium dedecyl sulphate (SDS) for better dispersion...
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| Format: | Final Year Project |
| Language: | English |
| Published: |
2009
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/17084 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | Aluminum (Al)/multi-walled carbon nanotubes (MWCNTs) composites with 0.5 wt%,
1.0 wt% and 2.0 wt% were fabricated by spark plasma sintering. The carbon nanotubes
were well dispersed using “can rolling” method. MWCNTs were chemically treated
with sodium dedecyl sulphate (SDS) for better dispersion by decreasing the inter van-
Der walls forces of attraction. The effect of sintering time on the physical and
mechanical properties of the Al-MWCNT composites is investigated through laboratory
instrumented tests. X-ray diffraction was used to analysis the composites structure. The
effects of carbon nanotubes on the mechanical properties of the composite were
investigated. Experimental results shows that increasing amount of carbon nanotubes
enhance the mechanical properties of the composite. The maximum increment in yield
strength and Young’s modulus, compared with pure aluminum matrix were found to be
50% and 65.8% respectively when 2.0 wt% of MWCNTs were added. |
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