Conclusions
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1.
Anomalous grain growth occurs by fusion not only in the austenite of structural steels and nickel but also in transformer iron with a ferritic structure at the processing temperature.
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2.
The fusion of fine grains leads to formation of large grains free of twins, the fused grains gradually acquiring the same orientation.
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Literature cited
S. V. Zagulyaeva and M. I. Vinograd, "Austenite grain growth in structural steel" Metalloved. Term. Obrab. Met., No. 7, 2 (1971).
A. P. Gulyaev and R. P. Leshchinskaya, "Fast fracture", Metalloved. Term. Obrab. Met., No. 9, 22 (1963).
Additional information
I. P. Bardin Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 5–7, December, 1978.
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Gulyaev, A.P., Serebrennikov, L.N. Anomalous grain growth in metals. Met Sci Heat Treat 20, 974–976 (1978). https://doi.org/10.1007/BF00703269
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DOI: https://doi.org/10.1007/BF00703269