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EFFECT OF ANNEALING ON THE CORROSION-FATIGUE STRENGTH AND HOT SALT CORROSION RESISTANCE OF FINE-GRAINED TITANIUM NEAR-α ALLOY TI-5AL-2V OBTAINED USING ROTARY SWAGINGстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 12 февраля 2025 г.
- Авторы: CHUVILDEEV V.N., MURASHOV A.A., NOKHRIN A.V., BERENDEEV N.N., LIKHNITSKII C.V., SYSOEV A.N., MELEKHIN N.V., RUBTSOVA K.A., BAKMETYEV A.M., TRYAEV P.V., VLASOV R.A., TABACHKOVA N.YU, MALKIN A.I.
- Журнал: Journal of Alloys and Compounds
- Том: 1003
- Год издания: 2024
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Номер статьи: 175612
- DOI: 10.1016/j.jallcom.2024.175612
- Аннотация: The corrosion-fatigue strength in 3 % aqueous NaCl solution and the resistance against hot salt corrosion (HSC) of the fine-grained near-α alloy Ti-5Al-2V (Russian analogue of Grade 9 titanium alloy with increased aluminium content) have been studied. The properties of the Ti-5Al-2V alloy in the coarse-grained state, in the fine-grained state after cold Rotary Swaging (RS), in the partly recrystallized state and in the fully recrystallized state have been investigated. The mechanical properties of the alloy were characterised using compression tests and microhardness measurements. The effects of RS, the annealing temperature, the time on the characteristics of corrosion destruction of the surface and the composition of the products of the HSC were studied. RS was shown to increase the depth of the intergranular corrosion defects, whereas recrystallization annealing promoted an increase in the corrosion resistance of the Ti-5Al-2V titanium alloy. The parameters of the Basquin equation for the corrosion-fatigue curves for the near-α Ti-5Al-2V alloy in the coarse-grained state, in the severely strained state and after recrystallization annealing were determined for the first time. An effect of non-monotonous dependencies of the slopes of the corrosion-fatigue curves for the strained near-α Ti-5Al-2V alloy on the recrystallization annealing temperature has been observed.
- Добавил в систему: Попов Дмитрий Александрович
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