Minimum TiB2 Content in a Composite Cathode Wetted with Aluminum
- Autores: Ivanov V.V.1, Polyakov P.V.1, Nagibin G.E.1, Fedorova E.N.1,2, Sukhodoeva N.V.1
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Afiliações:
- FGOAU VO Siberian Federal University
- SKTB Nauka IVT, Siberian Section, Russian Academy of Sciences
- Edição: Volume 58, Nº 4 (2017)
- Páginas: 410-414
- Seção: Article
- URL: https://ogarev-online.ru/1083-4877/article/view/248513
- DOI: https://doi.org/10.1007/s11148-017-0120-1
- ID: 248513
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Resumo
The minimum content of functional component (titanium borideTiB2) in cathodic refractory material that provides wetting with molten aluminum is substantiated. It is established that total cathode wetting with aluminum is observed with some minimum content of TiB2 in a powder composite (16 – 18 vol.%), when according to occurrence theory there is formation of an “infinite cluster”, i.e., a bonded percolation network of titanium boride particles. The volume of wetted composite containing a fixed amount (for example, 1 kg) of TiB2 does not depend on its phase composition and porosity, but is determined by the diboride volume content. A TiB2 content in the range 18 – 20 vol.% should be considered the optimum that creates reliable continuous wetting of a composite surface.
Sobre autores
V. Ivanov
FGOAU VO Siberian Federal University
Email: suhodoevanadezda@gmail.com
Rússia, Krasnoyarsk
P. Polyakov
FGOAU VO Siberian Federal University
Email: suhodoevanadezda@gmail.com
Rússia, Krasnoyarsk
G. Nagibin
FGOAU VO Siberian Federal University
Email: suhodoevanadezda@gmail.com
Rússia, Krasnoyarsk
E. Fedorova
FGOAU VO Siberian Federal University; SKTB Nauka IVT, Siberian Section, Russian Academy of Sciences
Email: suhodoevanadezda@gmail.com
Rússia, Krasnoyarsk; Krasnoyarsk
N. Sukhodoeva
FGOAU VO Siberian Federal University
Autor responsável pela correspondência
Email: suhodoevanadezda@gmail.com
Rússia, Krasnoyarsk
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