Hardening of the surface layers of a hollow billet formed by centrifugal casting |
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| Authors: | V I Chumanov I V Chumanov A N Anikeev R R Garifulin |
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| Affiliation: | 1.Zlatoust Branch,Southern Ural State University,Zlatoust, Chelyabinsk oblast,Russia |
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| Abstract: | One of the methods to increase the mechanical properties of steel is its hardening via the introduction of a refractory fine-grained
phase into a melt. A method of fabrication of a tube blank by centrifugal casting accompanied by hardening with a refractory
phase is considered. The introduction of fine tungsten and silicon carbides is shown to improve the structure of grade 15
steel and to increase the wear resistance of a tube blank made of this steel. |
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