Improvement of Longitudinal Surface Cracks in CC Slabs by Air-water Mist Cooling Method

Takuo KONO; Takatsugu SHIMA; Tatsuro KUWABARA; Toshiki YAMAMOTO; Makoto WAKE; Akira TSUNEOKA

doi:10.2355/tetsutohagane1955.68.13_1792

Tetsu-to-Hagane

Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575

Improvement of Longitudinal Surface Cracks in CC Slabs by Air-water Mist Cooling Method

Takuo KONO, Takatsugu SHIMA, Tatsuro KUWABARA, Toshiki YAMAMOTO, Makoto WAKE, Akira TSUNEOKA

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JOURNAL FREE ACCESS

1982 Volume 68 Issue 13 Pages 1792-1798

DOI https://doi.org/10.2355/tetsutohagane1955.68.13_1792

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Abstract

In order to prevent longitudinal surface cracks, a new type of air atomizing nozzle has been developed and applied to continuous casting machines as a secondary cooling system.
1) Air atomizing nozzle is superior to conventional spray nozzle in uniformity of slab surface temperature, in performance reliability and in wider applicability of cooling density.
2) Longitudinal surface cracks are remarkably reduced by this mist cooling method.

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