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Change in the structure of alloy VT22 with the combined action of ultrasonic radiation and thermal cycling treatment

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Abstract

A study is made of the structure of alloy VT22 with thermal cycling treatment (TCT) and also with TCT and prior ultrasonic irradiation (USI) by the methods of metallography, electron microscopy, and hardness measurements. It is shown that TCT for annealed specimens promotes recrystallization, fragmentation, and spheroidization of α and β phases.

It is established that TCT of specimens quenched to β phase previously treated with ultrasonic radiation leads to formation of α-phase platelets of considerably smaller dimensions and more strongly fragmented compared with α-phase platelets after TCT for unirradiated specimens.

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Literature cited

  1. S. Z. Bokshtein, L. M. Mirskii, N. P. Zyulina, et al., “Preparation of a subgranular structure in titanium (α+β)-alloy during repeated (α+β) ⇄ β-transformation,” Izv. Akad. Nauk SSSR, Metally, No. 3, 118–123 (1973).

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  2. S. Z. Bokshtein, N. P. Zyulina, O. V. Markovich, et al., “Polygonization during TCT of titanium alloys: fine structure and mechanical properties,” in: Thermal Cycling Treatment for Metal Articles [in Russian], Byull. Izobret., Leningrad (1982).

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Authors and Affiliations

  1. Institute of Metal Physics, Academy of Sciences of the UkrSSR, USSR

    L. V. Tikhonov, R. G. Gontareva, G. Ya. Bazelyuk & L. V. Tarasenko

Authors
  1. L. V. Tikhonov
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  2. R. G. Gontareva
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  3. G. Ya. Bazelyuk
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  4. L. V. Tarasenko
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Additional information

Translated from Problemy Prochnosti, No. 10, pp. 47–49, October, 1990.

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Tikhonov, L.V., Gontareva, R.G., Bazelyuk, G.Y. et al. Change in the structure of alloy VT22 with the combined action of ultrasonic radiation and thermal cycling treatment. Strength Mater 22, 1442–1445 (1990). https://doi.org/10.1007/BF00767228

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  • DOI: https://doi.org/10.1007/BF00767228

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