Abstract
The results of x-ray structural studies of the effect of previous plastic deformation by rolling on the occurrence of phase transitions in a TiNi(Fe) alloy are presented in the present work. The temperature dependences of the Bragg reflection intensities and half-widths and the dependence of the rhombic angle in the R phase with various degrees of deformation were obtained. Analysis of the results found gave the following rules. Plastic deformation substantially shifts the characteristic temperatures of the martensitic transitions (MT) R-B19′ and B19′-B19″, increases the temperature range of the transformation and can result in a “stepwise” transformation. It was observed that deformation weakly affects the temperature TR for the B2-R transformation.
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Additional information
Tomsk State Architecture and Construction Academy. V. D. Kuznetsov Siberian Physicotechical Institute at Tomsk University. Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 7, pp. 11–20, July, 1996.
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Klopotov, A.A., Potekaev, A.I., Perevalova, O.B. et al. Effect of plastic deformation on phase transitions in a Ti50Ni47Fe3 alloy. Russ Phys J 39, 609–617 (1996). https://doi.org/10.1007/BF02439087
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DOI: https://doi.org/10.1007/BF02439087