Conclusion
Heat treatment that includes brief tempering with rapid cooling ensures a noticeable refinement of the structure and helps substantially to increase the life of tools operating at normal temperatures.
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Literature cited
Inventor's Certificate No. 1239169 USSR.
Additional information
Kuibyshev Polytechnic Institute. Kuibyshev Planning Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 36–39, February, 1987.
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Pugacheva, T.M., Trakhtenberg, B.F. The effect of preliminary heat treatment on the life of cold-heading tools. Met Sci Heat Treat 29, 134–137 (1987). https://doi.org/10.1007/BF00667527
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DOI: https://doi.org/10.1007/BF00667527