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| dc.contributor.author | Mathabathe, Maria Ntsoaki
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| dc.contributor.author | Bolokang, A.S.
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| dc.contributor.author | Govender, G.
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| dc.contributor.author | Siyasiya, Charles Witness
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| dc.contributor.author | Mostert, Roelf Johannes
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| dc.date.accessioned | 2019-10-01T14:05:16Z | |
| dc.date.issued | 2019-12 | |
| dc.description.abstract | Beta (β) solidifying γ-TiAl intermetallic alloys of nominal composition Ti-48Al, Ti-48Al-2Nb, Ti-48Al-2Nb-0.7Cr alloys have been cold pressed and vacuum arc melted. The Al loss was due to compaction method used prior to the melting technique, since it was evident after compaction that Al particles migrated to the surface in contact with the die facets after cold pressing. Electron backscatter diffraction (EBSD)-orientation mapping demonstrated that the α-precipitation from the parent β-phase follows the Blackburn orientation relationship (BOR). Microstructural characterization of the alloys was studied by scanning electron microscopy (SEM) equipped with energy dispersion spectroscopy (EDS) for micro-analysis. X-ray diffraction (XRD) technique was used to detect phase compositions. | en_ZA |
| dc.description.department | Materials Science and Metallurgical Engineering | en_ZA |
| dc.description.embargo | 2020-12-01 | |
| dc.description.librarian | hj2019 | en_ZA |
| dc.description.sponsorship | Department of Science and Technology (DST) South Africa and Council of Scientific Industrial Research (CSIR). | en_ZA |
| dc.description.uri | http://www.elsevier.com/locate/apt | en_ZA |
| dc.identifier.citation | Mathabathe, M.N., Bolokang, A.S., Govender, G. et al. 2019, 'Cold-pressing and vacuum arc melting of γ-TiAl based alloys', Advanced Powder Technology, vol. 30, no. 12, pp. 2925-2939. | en_ZA |
| dc.identifier.issn | 0921-8831 (print) | |
| dc.identifier.issn | 1568-5527 (online) | |
| dc.identifier.other | 10.1016/j.apt.2019.08.038 | |
| dc.identifier.uri | http://hdl.handle.net/2263/71519 | |
| dc.language.iso | en | en_ZA |
| dc.publisher | Elsevier | en_ZA |
| dc.rights | © 2019 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. Notice : this is the author’s version of a work that was accepted for publication in Advanced Powder Technology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. A definitive version was subsequently published in Advanced Powder Technology, vol. 30, no. 12, pp. 2925-2939, 2019. doi : 10.1016/j.apt.2019.08.038. | en_ZA |
| dc.subject | Aluminum alloys | en_ZA |
| dc.subject | Binary alloys | en_ZA |
| dc.subject | Chromium alloys | en_ZA |
| dc.subject | Compaction | en_ZA |
| dc.subject | Melting | en_ZA |
| dc.subject | Scanning electron microscopy (SEM) | en_ZA |
| dc.subject | Ternary alloys | en_ZA |
| dc.subject | Titanium alloys | en_ZA |
| dc.subject | Vacuum applications | en_ZA |
| dc.subject | Vacuum technology | en_ZA |
| dc.subject | Cold pressing | en_ZA |
| dc.subject | Micro-structural characterization | en_ZA |
| dc.subject | Orientation mapping | en_ZA |
| dc.subject | Phase domain | en_ZA |
| dc.subject | TiAl-based alloys | en_ZA |
| dc.subject | Vacuum arc melting | en_ZA |
| dc.subject | Niobium alloys | en_ZA |
| dc.subject | Electron backscatter diffraction (EBSD) | en_ZA |
| dc.subject | Blackburn orientation relationship (BOR) | en_ZA |
| dc.subject | Energy dispersion spectroscopy (EDS) | en_ZA |
| dc.subject | X-ray diffraction (XRD) | en_ZA |
| dc.title | Cold-pressing and vacuum arc melting of γ-TiAl based alloys | en_ZA |
| dc.type | Postprint Article | en_ZA |
