Journal
DIAMOND AND RELATED MATERIALS
Volume 104, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.diamond.2020.107715
Keywords
Al-matrix composites; Hybrid composites; Wear; Carbon nanotubes; Graphite nanoplatelets
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Funding
- SEM Laboratory of Metallurgical and Materials Engineering Department
- FESEM Laboratory of Ceramic Engineering Department
- HRTEM Laboratory of Chemical Engineering Department
- XRD Laboratory of Physics Department
- NIT Rourkela
- CARE Funding
- IIT Kanpur
- Department of Science and Technology, Government of India
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The effect of addition of multiwalled carbon nanotubes-exfoliated graphite nanoplatelets (MWCNT-xGnP) hybrid nanofiller on the mechanical properties of aluminium (Al) has been reported. MWCNT-xGnP hybrids having MWCNT to xGnP weight ratios of 1:9, 3:7, 1:1, 7:3 and 9:1 were synthesized and 1, 2, 3, and 5 wt% of all the hybrids were added to the Al powder to develop Al-MWCNT-xGnP nanocomposites. The highest hardness for the conventionally sintered nanocomposites was observed in the case of Al-2 wt% MWCNT(50)xGnP(50) nanocomposite (463 MPa) whereas for spark plasma sintered (SPSed) nanocomposites the hardness was found to increase with the increase in hybrid nanofiller content and the highest hardness was observed for Al-5 wt% MWCNT(50)xGnP(50), nanocomposite (645.2 MPa). For both conventionally sintered and SPSed nanocomposites the best wear resistance was achieved in the case of Al-2 wt% MWCNT(50)xGnP(50) nanocomposite.
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