Modes and Twinning Stresses of Martensite Variants Rearrangements in Near-Stoichiometric Ni₂MnGa Single Crystal

The sequences of the thermally induced martensitic and intermartensitic L2₁ → 10M → 14M → L1₀ and L1₀ → 14M → 10M → L2₁ transformations are observed in Ni₅₀.₆Mn₂₈. ₅Ga₂₀.₉ single crystal on the cooling and heating branches of a thermal cycle. The modes of stress-induced intervariant transitions in t...

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Бібліографічні деталі
Дата:2017
Автори: Soolshenko, V., Beloshapka, V.
Формат: Стаття
Мова:English
Опубліковано: Інститут металофізики ім. Г.В. Курдюмова НАН України 2017
Назва видання:Металлофизика и новейшие технологии
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Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/125488
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Modes and Twinning Stresses of Martensite Variants Rearrangements in Near-Stoichiometric Ni₂MnGa Single Crystal / V. Soolshenko, V. Beloshapka // Металлофизика и новейшие технологии. — 2017. — Т. 39, № 5. — С. 567-578. — Бібліогр.: 18 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Резюме:The sequences of the thermally induced martensitic and intermartensitic L2₁ → 10M → 14M → L1₀ and L1₀ → 14M → 10M → L2₁ transformations are observed in Ni₅₀.₆Mn₂₈. ₅Ga₂₀.₉ single crystal on the cooling and heating branches of a thermal cycle. The modes of stress-induced intervariant transitions in the 10M, 14M, and L10 martensites are investigated on the basis of matrix approach, and the stresses of orientation-variants’ rearrangements are determined as a function of martensite structure, transition mode, and temperature. The twinning stress decreases along the L1₀, 14M, and 10M martensites with a decrease of period of a nanotwinned structure.