Conclusions
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1.
Alloying with vanadium increases the elastic limit of niobium at room and elevated temperatures, the elastic limit increasing with the vanadium content of the alloy.
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2.
Subrecrystallization annealing at 600–700° substantially increases the elastic limit, which is due to thermally activated processes leading to lower dislocation mobility, and thus to hardening.
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Literature cited
D. A. Prokoshkin and E. V. Vasil'eva, Niobium Alloys [in Russian], Nauka, Moscow (1964), p. 332.
A. G. Rakhshtadt and M. A. Shtremel', Zavod. Lab., 6, 744 (1960).
V. I. Feodos'ev, Resistance of Materials [in Russian], Nauka, Moscow (1972), p. 544.
A. G. Rakhshtadt, Spring Steels and Alloys [in Russian], Metallurgiya, Moscow (1971), p. 447.
Additional information
Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 64–65, August, 1975.
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Vasil'eva, E.V., Tret'yakov, V.I., Prokoshkin, D.A. et al. Effect of vanadium and heat treatment of the elastic characteristics of niobium. Met Sci Heat Treat 17, 706–708 (1975). https://doi.org/10.1007/BF00664323
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DOI: https://doi.org/10.1007/BF00664323