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Properties comparison of Ti-Al-Si alloys produced by various metallurgy methods
- 1.0540565 - FZÚ 2021 RIV CH eng J - Článek v odborném periodiku
Knaislová, A. - Novák, P. - Kopeček, Jaromír - Průša, F.
Properties comparison of Ti-Al-Si alloys produced by various metallurgy methods.
Materials. Roč. 12, č. 19 (2019), s. 1-19, č. článku 3084. E-ISSN 1996-1944
Institucionální podpora: RVO:68378271
Klíčová slova: titanium aluminides and silicides * casting * powder metallurgy
Obor OECD: Materials engineering
Impakt faktor: 3.057, rok: 2019
Způsob publikování: Open access
Melting metallurgy is still the most frequently used and simplest method for the processing of metallic materials. Some of the materials (especially intermetallics) are very diffcult to prepare by this method due to the high melting points, poor fluidity, or formation of cracks and pores after casting. This article describes the processing of Ti-Al-Si alloys by arc melting, and shows the microstructure, phase composition, hardness, fracture toughness, and compression tests of these alloys. These results are compared with the same alloys prepared by powder metallurgy by the means of a combination of mechanical alloying and spark plasma sintering. Ti-Al-Si alloys processed by melting metallurgy are characterized by a very coarse structure with central porosity.
Trvalý link: http://hdl.handle.net/11104/0318186
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