Conclusions
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1.
It was found that the deformation of austenitic steels Kh21N5AG7 and Kh14G14N3T at temperatures from −196 to −269° C is accompanied by the transformation of austenite into martensite.
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2.
On deformation of steel Kh14G14N3T at −253 and −269° C we noted the occurrence of ε-phase, which is intermediate in the transformation of austenite into α-martensite.
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Literature cited
G. Powell, E. Marshall, and W. Backofen, TASM, Vol. 50 (1958).
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J. Venables, Phil. Mag., Vol. 7, No. 77 (1962).
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Additional information
Physicotechnical Institute of Low Temperatures of the Academy of Sciences of the UkrSSR. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 9, pp. 58–60, September, 1967.
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Il'ichev, V.Y., Ul'yanov, R.A. & Skibina, L.V. Structural changes in austenitic steels Kh21N5AG7 and Kh14G14N3T on low-temperature deformation. Met Sci Heat Treat 9, 700–701 (1967). https://doi.org/10.1007/BF00649057
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DOI: https://doi.org/10.1007/BF00649057