Abstract
We consider the hardening characteristics and features of the structural and phase transformations in carbon steel (0.7% C) quenched from the melt using an electron beam with electron energy 130–180 keV, pulse duration 10–200 msec and power density 106 to 107 W/cm2. We have observed that maximum hardening is achieved for pulse duration ⋍40 msec. The nonmonotonic character of the dependence of the degree of hardening on the pulse duration is connected with the substantial effect of the beam parameters on the phase composition and morphology of the rapidly quenched structures.
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Additional information
Institute of Power Electronics, Siberian Branch, Russian Academy of Sciences; Tomsk State Architectural Design Academy. Institute of the Physics of Strength and Materials Science, Siberian Branch, Russian Academy of Sciences. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, p. 42–50, October, 1995.
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Ivanov, Y.F., Kashinskaya, I.S., Lykov, S.V. et al. Change in structure and properties of carbon steels bombarded by a 10−5 to 10−4 second high-energy electron beam. Russ Phys J 38, 1040–1046 (1995). https://doi.org/10.1007/BF00559041
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DOI: https://doi.org/10.1007/BF00559041