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Eliminating Gaps between the Walls of Sectional Continuous-Caster Molds by the Application of Sprayed Metal Coatings

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Abstract

One reason that continuous-caster molds need to be replaced is that their service life is shortened by the formation and growth of gaps in the corners between the wide and narrow walls of the mold and wear of the walls' lower scn. A technology has been developed to eliminate the gaps and involves the application of a coating to the long side of the narrow walls. A coating of copper of grade MNZhKT is applied in the form of a strip 5–10 mm wide, the width depending on the size of the gap. The coating is adjacent to the working surface of the mold and is lapped after it has been applied. Alternatively, the coating can be formed with a machining allowance of at least 0.3 mm per side and subsequently milled. Deviations of wall width from the nominal dimensions and instances of non-orthogonality are also eliminated by spray-coating the long sides of the narrow walls and leaving an allowance for subsequent milling. One variant of the technology is the application of an MNZhKT coating to the butt joint between the walls jt region of gap formation while the mold is being held in reserve. This coating is then lapped.

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Authors and Affiliations

  1. Moscow State Institute of Steel and Alloys (MISiS), Moscow, Russia

    A. G. Radyuk, A. E. Titlaynov, B. A. Sivak & A. S. Gritsan

  2. Central Scientific Research, Planning, and Design Institute of Metallurgical Machinery (VNIIMETMASh), Russia

    A. G. Radyuk, A. E. Titlaynov, B. A. Sivak & A. S. Gritsan

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  1. A. G. Radyuk
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  2. A. E. Titlaynov
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  3. B. A. Sivak
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  4. A. S. Gritsan
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Translated from Metallurg, No. 9, pp. 58–61, September, 2005.

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Radyuk, A.G., Titlaynov, A.E., Sivak, B.A. et al. Eliminating Gaps between the Walls of Sectional Continuous-Caster Molds by the Application of Sprayed Metal Coatings. Metallurgist 49, 356–361 (2005). https://doi.org/10.1007/s11015-006-0006-9

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  • DOI: https://doi.org/10.1007/s11015-006-0006-9

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