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- Title
Interface Analysis of Spark Plasma Sintered Carbon Nanotube Reinforced Ti6Al4V.
- Authors
Adegbenjo, A. O.; Westraadt, J. E.; Olubambi, P. A.; Lesufi, M.; Mphahlele, M. R.
- Abstract
This study investigated the dispersion and interface reactions in a multi-walled carbon nanotube (MWCNTs) reinforced Ti6Al4V composite consolidated by the spark plasma sintering technique. The 1 wt.% MWCNTs were dispersed in Ti6Al4V by high-energy ball milling, and the milled composite powder was consolidated at 1000°C. The other parameters adopted during the sintering process were applied pressure (50 MPa), heating rate (100°C/min) and 5 min holding time, respectively. Thin lamellae from the synthesized bulk Ti6Al4V/1 wt.% MWCNT composite were prepared and characterized by transmission Kikuchi diffraction (TKD), scanning electron microscopy and high-resolution scanning transmission electron microscopy. Large agglomerations of MWCNTs in the order of 50–100 µm were distributed in the composite, and the TKD analysis on the sample retrieved from the MWCNT/Ti6Al4V interface had a polycrystalline layer of titanium carbide formed between the Ti6Al4V matrix particles and the MWCNT clusters.
- Subjects
MULTIWALLED carbon nanotubes; SCANNING transmission electron microscopy; SCANNING electron microscopy; CLUSTERING of particles; TITANIUM carbide
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2019, Vol 71, Issue 7, p2262
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-019-03476-x