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Effect of hydroextrusion and boronizing on the structural strength of steels

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Abstract

The structural strength of steels 55, ShKh15, KhVG, U8, and U10 is studied after a combined treatment consisting of a preliminary hydroextrusion and subsequent boronizing. The optimum parameters of hydroextrusion are established for the steels studied. The structure and properties of specimens of the given steels after hydroextrusion, boronizing, and induction quenching are studied. It is shown that the use of hydroextrusion deformation followed by boronizing provides a substantial increase in the abrasion strength of pin specimens of the hinge pair of a track engine from a tool steel with a simultaneous increase in the deflection and a load up to bending fracture.

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Authors and Affiliations

  1. Donetsk Physicotechnical Institute of the National Academy of Sciences of Ukraine, Donetsk, Ukraine

    B. M. Efros

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  1. B. M. Efros
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 15–18, January, 2000.

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Efros, B.M. Effect of hydroextrusion and boronizing on the structural strength of steels. Met Sci Heat Treat 42, 17–20 (2000). https://doi.org/10.1007/BF02471350

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  • DOI: https://doi.org/10.1007/BF02471350

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