Conclusions
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1.
The stable effect of zirconium on the process of retarding grain growth for steel 03Kh8SYu is observed with a content of not less than 0.4%.
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2.
In intermetallic phase Fe3Zr, apart from iron and zirconium, there is also silicon and chromium.
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3.
The main reason for a reduction in the tendency toward steel grain growth is presence in it of insoluble particles of zirconium carbonitride.
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Additional information
Scientific Production Enterprise, Central Scientific-Research Institute of Machine Building Technology (TsNIITMASh). Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 32–35, April, 1986.
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Tarzhumanova, V.A., Ryabchenkov, A.V., Yuganova, S.A. et al. Effect of zirconium on the structure and phase composition of steel 03Kh8SYu. Met Sci Heat Treat 28, 268–272 (1986). https://doi.org/10.1007/BF00707654
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DOI: https://doi.org/10.1007/BF00707654