An increase of the austenitizing temperature with TMT of secondary-hardening steel 40Kh5MVFS, as in the case of SHT, increases the strength up to a certain limit. The negative influence of the increase in the austenite grain size on the ductility of the steel is smaller in the case of TMT than in SHT.
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M. N. Spasskii and L. M. Utevskii, Metal. i Term. Obrabotka Metal., No. 8 (1967).
A. P. Bashchenko and M. N. Spaskii, Chermetinformatsiya, Ser. 12, No. 6 (1966).
Central Scientific-Research Institute of Ferrous Metallurgy. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 24–27, December, 1969.
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Bashchenko, A.P., Mel'nichenko, N.D. Effect of the austenitizing temperature on the mechanical properties of steel after standard and thermomechanical treatments. Met Sci Heat Treat 11, 948–951 (1969). https://doi.org/10.1007/BF00654930
- Grain Size
- Mechanical Property
- Negative Influence