Effect of heat treatment on the fine structure and properties of a niobium-base superalloy


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The effect of conditions of heat treatment on the microstructure and mechanical characteristics of an LN-1 alloy (Nb–10W–5Mo–1.5Zr–0.15C), which is used to produce high-temperature springs, has been studied. The temperature conditions of annealing of the alloy have been chosen, under which the fairly high ductility needed for the subsequent deformation of the alloy is achieved. Structural examinations have revealed the formation of fine niobium–zirconium carbides in the matrix in the course of the thermomechanical strengthening of the alloy, which involves preannealing.

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O. Shaboldo

AO TsNIIM

编辑信件的主要联系方式.
Email: shaboldo@yandex.ru
俄罗斯联邦, ul. Paradnaya 8, St. Petersburg, 191014

Ya. Vitorskii

AO TsNIIM

Email: shaboldo@yandex.ru
俄罗斯联邦, ul. Paradnaya 8, St. Petersburg, 191014

V. Sagaradze

Institute of Metal Physics, Ural Branch

Email: shaboldo@yandex.ru
俄罗斯联邦, ul. S. Kovalevskoi 18, Ekaterinburg, 620990

E. Volkova

Institute of Metal Physics, Ural Branch

Email: shaboldo@yandex.ru
俄罗斯联邦, ul. S. Kovalevskoi 18, Ekaterinburg, 620990

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