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Title: Strip casting with fluxing agent applied to casting roll

Abstract

A strip caster (10) for producing a continuous strip (24) includes a tundish (12) for containing a melt (14), a pair of horizontally disposed water cooled casting rolls (22) and devices (29) for electrostatically coating the outer peripheral chill surfaces (44) of the casting rolls with a powder flux material (56). The casting rolls are juxtaposed relative to one another for forming a pouting basin (18) for receiving the melt through a teeming tube (16) thereby establishing a meniscus (20) between the rolls for forming the strip. The melt is protected from the outside air by a non-oxidizing gas passed through a supply line (28) to a sealing chamber (26). A preferred flux is boron oxide having a melting point of about 550.degree. C. The flux coating enhances wetting of the steel melt to the casting roll and dissolves any metal oxide formed on the roll.

Inventors:
 [1];  [2];  [3]
  1. Fairfield, OH
  2. Miamisburg, OH
  3. West Chester, OH
Publication Date:
Research Org.:
Armco, Inc., Middletown, OH (United States)
OSTI Identifier:
871066
Patent Number(s):
US 5651412
Assignee:
Armco Inc. (Middletown, OH)
DOE Contract Number:  
FC07-92ID13086
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
strip; casting; fluxing; agent; applied; roll; caster; 10; producing; continuous; 24; tundish; 12; containing; melt; 14; pair; horizontally; disposed; water; cooled; rolls; 22; devices; 29; electrostatically; coating; outer; peripheral; chill; surfaces; 44; powder; flux; material; 56; juxtaposed; relative; forming; pouting; basin; 18; receiving; teeming; tube; 16; establishing; meniscus; 20; protected; outside; air; non-oxidizing; gas; passed; supply; line; 28; sealing; chamber; 26; preferred; boron; oxide; melting; 550; degree; enhances; wetting; steel; dissolves; metal; formed; casting rolls; outside air; continuous strip; boron oxide; oxidizing gas; metal oxide; supply line; outer peripheral; water cooled; horizontally disposed; strip casting; oxide formed; casting roll; fluxing agent; strip caster; oxide form; cooled casting; disposed water; /164/

Citation Formats

Williams, Robert S, O'Malley, Ronald J, and Sussman, Richard C. Strip casting with fluxing agent applied to casting roll. United States: N. p., 1997. Web.
Williams, Robert S, O'Malley, Ronald J, & Sussman, Richard C. Strip casting with fluxing agent applied to casting roll. United States.
Williams, Robert S, O'Malley, Ronald J, and Sussman, Richard C. 1997. "Strip casting with fluxing agent applied to casting roll". United States. https://www.osti.gov/servlets/purl/871066.
@article{osti_871066,
title = {Strip casting with fluxing agent applied to casting roll},
author = {Williams, Robert S and O'Malley, Ronald J and Sussman, Richard C},
abstractNote = {A strip caster (10) for producing a continuous strip (24) includes a tundish (12) for containing a melt (14), a pair of horizontally disposed water cooled casting rolls (22) and devices (29) for electrostatically coating the outer peripheral chill surfaces (44) of the casting rolls with a powder flux material (56). The casting rolls are juxtaposed relative to one another for forming a pouting basin (18) for receiving the melt through a teeming tube (16) thereby establishing a meniscus (20) between the rolls for forming the strip. The melt is protected from the outside air by a non-oxidizing gas passed through a supply line (28) to a sealing chamber (26). A preferred flux is boron oxide having a melting point of about 550.degree. C. The flux coating enhances wetting of the steel melt to the casting roll and dissolves any metal oxide formed on the roll.},
doi = {},
url = {https://www.osti.gov/biblio/871066}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1997},
month = {1}
}