Formation of crystals with habit planes {443}α in titanium with BCC-HCP (α – ε) reorganization is considered within the limits of the dynamic theory of martensitic transformations. It is shown that the start of fast wave crystal growth is possible in elastic fields of rectangular dislocation loops with basic segments along the <1 \( \overline{1} \) 0>α directions and the <001>α Burgers vectors. The relative change of the volume δ is considered negative. For wide loops, the habit planes {443}α (like {334}α) can be associated with invariant planes. For narrow loops, selection in favor of the crystals having habit planes {443}α is due to the fulfillment of the condition δ < 0.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, pp. 51–55, October, 2016.
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Kashchenko, M.P., Chashchina, V.G. Crystal Dynamics of Forming ε-Martensite with Habit Planes {443}α in Titanium. Russ Phys J 59, 1575–1580 (2017). https://doi.org/10.1007/s11182-017-0946-5
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DOI: https://doi.org/10.1007/s11182-017-0946-5