Albaaji, Amar J.  ORCID: https://orcid.org/0000-0002-3551-5974, Castle, Elinor G., Reece, Mike J., Hall, Jeremy P. ORCID: https://orcid.org/0000-0003-2737-9009 and Evans, Samuel L. ORCID: https://orcid.org/0000-0003-3664-2569
2017.
Effect of ball-milling time on mechanical and magnetic properties of carbon nanotube reinforced FeCo alloy composites.
Materials & Design
122
, pp. 296-306.
10.1016/j.matdes.2017.02.091
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Abstract
Carbon nanotubes (CNTs) reinforced FeCo alloys were produced by high energy ball-milling and spark plasma sintering (SPS). CNTs distribution in the FeCo alloy was gradually improved as ball-milling time increased, with a uniform dispersion achieved after 6 h ball-milling. Tensile tests demonstrated that, as the ball-milling time increased, the yield strength increased in the composites; a maximum 50% relative increase in tensile strength due to the addition of CNTs was achieved after 1 h ball-milling, which then decreased with further ball-milling. The elongation to fracture was significantly increased after 1 h ball-milling and then decreased with further ball-milling. SEM results show a patch of dimples in the fracture surface of the composite, indicating improved ductility due to CNTs. The coercivity was increased with increased ball-milling time, while the saturation induction showed a peak value after 1 h of ball-milling and then decreased with further ball-milling. Raman spectra of the composite indicated that no serious damage had been imparted to the CNTs during ball-milling.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Engineering |
| Uncontrolled Keywords: | Ball milling; Carbon nanotube; Spark plasma sintering |
| Publisher: | Elsevier |
| ISSN: | 0264-1275 |
| Date of First Compliant Deposit: | 10 August 2017 |
| Date of Acceptance: | 28 February 2017 |
| Last Modified: | 23 Nov 2024 21:45 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/102932 |
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