Conclusions
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1.
Hardening of cold worked steels 40 and U8 during low-temperature tempering is due to strain aging that occurs in two stages.
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2.
The dislocation density is smaller in steels deformed by hydrostatic extrusion than in steels deformed by drawing.
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Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 60–62, March, 1975.
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Titarev, N.Y. Hardening during low-temperature tempering of cold worked carbon steels. Met Sci Heat Treat 17, 249–251 (1975). https://doi.org/10.1007/BF00663696
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DOI: https://doi.org/10.1007/BF00663696