Increasing the impact toughness of rails

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1988 English Publisher:Springer Science and Business Media LLCJournal:Metallurgist, volume 32, pages 382-383 (issn: 0026-0894, eissn: 1573-8892,

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Authors: V. I. Syreishchikova; A. A. Deryabin; �. L. Kolosova; V. E. Semenkov; A. V. Pan; M. A. Stambul'chik; A. B. Dobuzhskaya;

doi: 10.1007/bf00750406

Increasing the impact toughness of rails

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Abstract

It is known that the deoxidation of rail steel in the ladle with complex ferroalloys based on silicon and including calcium, magnesium, titanium, Or zirconium in a certain combination makes it possible to obtain railroad rails of group-I quality characterized by a high degree of reliability and long service life. This is achieved by the elimination of alumina and alumina-silicate stringers in the rails. According to data from the Soviet Ministry of Railroads, such stringers are the main sources of contact-fatigue fractures.

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