Conclusions
Reducing the temperature and increasing the holding time in isothermal quenching improve the elastic characteristics of springs. The best properties were obtained after isothermal quenching at 310–330° for 25–35 min.
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Literature cited
A. G. Rakhshtadt, Spring Alloys [in Russian], Metallurgizdat, Moscow (1965).
A. A. Sazonov, Metal. i Term. Obrabotka Metal., No. 11 (1969).
M. V. Gedeon, Heat Treatment of Truck Springs. Advanced Technology of Heat Treatment [in Russian], Mashgiz, Moscow-Sverdlovsk (1961).
Additional information
Perm' Polytechnical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 66–67, January, 1971.
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Marchenko, V.G. Isothermal quenching of steel 60S2. Met Sci Heat Treat 13, 72–73 (1971). https://doi.org/10.1007/BF00663786
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DOI: https://doi.org/10.1007/BF00663786