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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...
Thermal strengthening of complex profiles by cooling in water jets is replacing the traditional technology: quenching in oil. This technology has been tested in laboratory conditions and introduced experimentally. It permits the attainment of optimal self-tempering temperature by regulating the cooling time. That permits the creation of metal structures with good mechanical properties and excellent...
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