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Effect of “Incomplete” Austenitization Under Isothermal Quenching on the Structure and Properties of High-Strength Cast Iron Alloyed with Nickel and Copper

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Metal Science and Heat Treatment Aims and scope

The effect of the mode of isothermal quenching on the special features of formation of bainitic structures in high-strength cast irons with globular graphite is studied. The regular features of the influence of isothermal quenching on the mechanical properties of the alloyed irons are determined. It is shown that the process of formation of bainite in the irons is affected considerably by the austenitization temperature. Control of this temperature makes it possible to control the mechanical properties of the metal.

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Notes

  1. A “bull eye” structure is understood as a regular arrangement of ferritic shells around graphite inclusions in pearlitic-ferritic high-strength cast irons. A “hard eye” structure forms in ferritic-bainitic irons and is represented by a bainitic shell around globular graphite.

  2. Here and below in the paper the mode of the heat treatment is given near the number of the iron.

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  1. Bryansk State Technical University, Bryansk, Russia

    K. V. Makarenko & E. A. Zentsova

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  1. K. V. Makarenko
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  2. E. A. Zentsova
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Correspondence to K. V. Makarenko.

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Makarenko, K.V., Zentsova, E.A. Effect of “Incomplete” Austenitization Under Isothermal Quenching on the Structure and Properties of High-Strength Cast Iron Alloyed with Nickel and Copper. Met Sci Heat Treat 60, 413–420 (2018). https://doi.org/10.1007/s11041-018-0293-3

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  • DOI: https://doi.org/10.1007/s11041-018-0293-3

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