An environmentally safe method of thermal strengthening

The cooling of complex bodies in a tank of oil poses a fire hazard, is expensive, and does not permit regulation of the heat transfer in regions of the body with different characteristics. The rail fishplate is an asymmetric component for which such cooling is employed. An environmentally safe techn...

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Bibliographic Details
Published in:Steel in translation 2015-04, Vol.45 (4), p.233-236
Main Authors: Yaroshenko, Yu. G., Lipunov, Yu. I., Zakharchenko, M. V., Eismondt, K. Yu, Nekrasova, E. V.
Format: Article
Language:English
Subjects:
Chemistry and Materials Science
Cooling
Cooling systems
Devices
Linearity
Materials Science
OAO
Strengthening
Tanks
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Summary:The cooling of complex bodies in a tank of oil poses a fire hazard, is expensive, and does not permit regulation of the heat transfer in regions of the body with different characteristics. The rail fishplate is an asymmetric component for which such cooling is employed. An environmentally safe technology for the controlled water cooling of fishplates has been proposed at OAO VNIIMT, along with the corresponding equipment. The use of water as the coolant eliminates the formation of harmful environmental emissions, as well as the cost of repeated oil purchases. Industrial tests permit identification of cooling conditions such that the mechanical properties of the fishplates will meet the standard requirements. Linearity of the fishplate is ensured by separate supply of water to each sprayer in each section of the device. The test results provide the basis for selection of the best cooling conditions when the system is used in industrial production lines, so as replace cooling in a tank of oil.
ISSN:0967-0912
1935-0988
DOI:10.3103/S0967091215040142