Abstract
The possibility of using controlled water-air cooling in thermal hardening of "thin" workpieces, for which the time of cooling lies in the range of a few seconds, is considered. A variant of the setup for realization of the technological process and regimes of cooling of wedge-shaped workpieces are proposed. The experimental data obtained are shown to be in agreement with the corresponding calculated data.
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Abbreviations
- T :
-
temperature °C
- t :
-
time, sec
- τp :
-
duration of the action pulse of the water-air mixture, sec
- τi :
-
interval between the action pulses of the water-air mixture, sec
- HRC units:
-
units of Rockwell surface hardness
References
M. S. Zheludkevich and V. S. Nikitin, in:Proc. of Heat and Mass Transfer Institute, Academy of Sciences of Belarus "Heat and Mass Transfer: Physical Principles and Methods" [in Russian], Minsk (1988), pp. 92–94.
N. V. Antonishin, M. A. Geller, and M. S. Zheludkevich,Metallov. Term. Obrab. Met.,3, 7–9 (1989).
V. D. Efremov, M. S. Zheludkevich, and M. L. German,Inzh.-Fiz. Zh.,73, No. 2, 418–422 (2000).
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 73, No. 3, pp. 659–661, May–June, 2000.
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Zheludkevich, M.S. Use of controlled heat transfer in thermal hardening of wedge-shaped workpieces. J Eng Phys Thermophys 73, 648–650 (2000). https://doi.org/10.1007/BF02681811
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DOI: https://doi.org/10.1007/BF02681811