Stability of zirconium oxides in Nb-Mo-ZrO2 alloy |
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Authors: | A N Tyumentsev A D Korotaev Yu P Kolobov K A Markov Yu P Pinzhin S F Tyumentseva |
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Institution: | (1) V. D. Kuznetsev Siberian Physicotechnical Institute, Tomsk State University, USSR |
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Abstract: | The paper gives the results of investigations on the rate of coalescence of zirconium oxides in Nb-Mo-ZrO2 alloy. On the basis of experimental results and theoretical estimates, it is shown that the stability of zirconium oxides in a niobium matrix increases substantially when the oxygen content in the solid solution rises. A high stability of zirconium oxides in niobium, which ensures a considerable (up to T 1800°C) increase in the recrystallization temperature and enhancement of the mechanical properties of the alloys at T 1100°C can be attained at an oxygen content C0 0.2–0.5 at.% in the solid solution.Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 76–79, May, 1982. |
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