Resistance of a zirconium alloy to corrosion cracking under stresses |
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| Authors: | V. N. Kiselevskii V. V. Kovalev V. A. Stepanenko A. I. Stukalov V. M. Gritsina |
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| Affiliation: | (1) Institute for Problems of Strength, National Academy of Sciences of Ukraine, Kiev, Ukraine;(2) Ukrainian National Technical University "Kiev Polytechnical Institute", Kiev, Ukraine;(3) Scientific and Technical Complex “Center of Nuclear Power Engineering” at the Kharkov Physicotechnical Institute, Kharkov, Ukraine |
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| Abstract: | We describe a procedure for ultrahigh-frequency thermal treatment of é110 alloy and present the results of its textural and structural analysis. We also study the influence of the modes of ultrahigh-frequency treatment of the zirconium alloy on its long-term strength at a temperature of 653 K in corrosive media. The results of fractographic investigation of the fracture surfaces allow us to determine the mechanisms of initiation and propagation of stress-corrosion cracks in shells made of the alloy under consideration in the intact state and after ultrahigh-frequency treatment. Translated from Problemy Prochnosti, No. 2, pp. 122 – 130, March – April, 1998. |
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