| 2017 №01 (06) |
DOI of Article 10.15407/sem2017.01.07 |
2017 №01 (08) |
Electrometallurgy Today (Sovremennaya Elektrometallurgiya), 2017, #1, 39-43 pages
Melting of titanium slag for use in welding production
Baktigirov F.K., Shapovalov V.A., Gnatushenko A.V., Ignatov A.P., Skorina N.V., Veretilnik A.V.
E.O. Paton Electric Welding Institute, NASU. 11 Kazimir Malevich Str., 03680, Kiev, Ukraine. E-mail: office@paton.kiev.ua
Peculiarities of melting of titanium slag from ilmenite concentrate as a substitute for rutile one for applying in welding production are investigated. It is shown that to provide a stable phase composition of the produced titanium slag, avoiding the self-dispersal, it is necessary to maintain a residual amount of iron oxides in it at the level of 5.0 wt.%. Two-stage method of producing the titanium slag with a preliminary hard-phase recovery of iron at the first stage was tested. The titanium slag was produced, containing 80…85 % of titanium oxide, suitable for application in the substitution of rutile concentrate in manufacture of electrodes for welding carbon and low-alloy steels. Ref. 5, Tables 5, Figure 1.
Keywords: welding electrodes; rutile concentrate; ilmenite concentrate; melting; hard-phase recovery; titanium slag; chemical composition 1. Vasyutinsky N. A. Titanovye shlaki.- M.: Metallurgiya, 1972.- 208 s.
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