Continuous casting device for slab comprising titanium or titanium alloy

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United States of America Patent

PATENT NO 9908174
SERIAL NO

15718005

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Abstract

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In the present invention the torch movement period is 20-40 seconds, with the torch movement period being the time required to move plasma torches (which heat the surface of molten metal in the casting mold) one time. The average heat input amount at multiple sites, which are obtained by dividing the initial solidification portion (which is where the molten metal makes contact with the casting mold and first solidifies) into multiple sites in the circumferential direction of the casting mold, is 1.0-2.0 MW/m2. The molten metal advection time, which is the time required for electromagnetically stirred molten metal to travel the length of the torch heating region of the surface of the molten metal in the lengthwise direction of the casting mold, is 3.5 seconds or less.

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Patent Owner(s)

  • KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.);KOBE STEEL, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kanahashi, Hidetaka Takasago, JP 14 13
Kurosawa, Eisuke Kobe, JP 20 8
Nakaoka, Takehiro Kobe, JP 13 8
Oyama, Hideto Takasago, JP 29 283

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