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Development of Coatings for Protection of Blast Furnace Air Tuyeres

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Metallurgist Aims and scope

A coating based on boron carbide, aluminum oxide slip, and also aluminosilicate adhesive is used to improve the service properties of Cu–Al diffusion layer on blast furnace air tuyeres. An abrasive-resistant coating prepared from tungsten carbide powder wire is considered as an alternative to aluminium coating. KhN45Yu steel with a slip covering is tested to evaluate the possibility of using it for protecting a tuyere outer surface from burn-out. It is established that Kh20N80 nichrome coating and aluminosilicate adhesive coating applied to a diffusion layer increases the average life of standard aluminized tuyeres.

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Authors and Affiliations

  1. PAO Novolipetsk Metallurgical Combine, Lipetsk, Russia

    V. N. Titov, A. I. Ternovikh & P. V. Baranov

  2. FGAOU VO National Research Technological Institute, MiSIS, Moscow, Russia

    T. Yu. Sidorova

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  1. V. N. Titov
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  2. A. I. Ternovikh
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  3. P. V. Baranov
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Correspondence to V. N. Titov.

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Translated from Metallurg, Vol. 65, No. 4, pp. 63–67, April, 2021. Russian DOI: 10.52351/00260827_2021_04_63.

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Titov, V.N., Ternovikh, A.I., Baranov, P.V. et al. Development of Coatings for Protection of Blast Furnace Air Tuyeres. Metallurgist 65, 439–445 (2021). https://doi.org/10.1007/s11015-021-01174-1

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