Technology for out-of-furnace treatment of steel with the use of a new deoxidizer

Autor:	A. N. Lutsenko, S. B. Eroshkin, A. V. Kuklev, O. V. Popov, V. V. Sosnin, K. E. Prudov, A. A. Nemtinov
Rok vydání:	2007
Předmět:	chemistry.chemical_compound Materials science chemistry Mechanics of Materials Calcium carbide Metallurgy Metallic materials Materials Chemistry Metals and Alloys Deoxidization Ultrasonic sensor Condensed Matter Physics
Zdroj:	Metallurgist. 51:560-565
ISSN:	1573-8892 0026-0894
DOI:	10.1007/s11015-007-0103-4
Popis:	A technology has been proposed for obtaining rolled plates with the use of calcium carbide instead of vacuum degassing. The technology makes it possible to obtain steel that is equivalent to vacuum-degassed steel with respect to the composition and quantity of nonmetallic inclusions and the quality of the finished plates. It is shown that the use of calcium carbide reduces the content of nonmetallic inclusions by a factor of roughly 1.5 compared to use of the standard technology without vacuum degassing. The percentage of hot-rolled plates rejected for defects detected in ultrasonic tests is also decreased.
Databáze:	OpenAIRE
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