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Texture inheritance from austenite to 7 M martensite in Ni–Mn–Ga melt-spun ribbons

Abstract : In this work, Ni53Mn22Ga25 and Ni51Mn27Ga22 ribbons with austenite and 7 M martensite at room temperature respectively, were prepared by melt-spinning. Through the detailed crystallographic analyses, the preferred orientation in ribbons was confirmed. It is shown that the austenite in Ni53Mn22Ga25 ribbons forms a preferred orientation with {4 0 0}A in parallel to ribbon plane, whereas the 7 M martensite in Ni51Mn27Ga22 ribbons develops the preferred orientation with {2 0 −20}7M, {2 0 20}7M, and {0 4 0}7M crystallographic planes parallel to the ribbon plane. Since {2 0 −20}7M, {2 0 20}7M, and {0 4 0}7M are originated from {4 0 0}A, the preferred orientation in ribbons thus can be inherited after the martensitic transformation. Such texture inheritance is attributed to the intrinsic orientation relationship between austenite and 7 M martensite.
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https://hal.univ-lorraine.fr/hal-03080435
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Submitted on : Thursday, December 17, 2020 - 4:47:31 PM
Last modification on : Wednesday, November 3, 2021 - 8:59:39 AM

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Zongbin Li, Yiwen Jiang, Zhenzhuang Li, Yiqiao Yang, Bo Yang, et al.. Texture inheritance from austenite to 7 M martensite in Ni–Mn–Ga melt-spun ribbons. Results in Physics, Elsevier, 2016, 6, pp.428-433. ⟨10.1016/j.rinp.2016.07.012⟩. ⟨hal-03080435⟩

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