Phase Equilibrium of Ferromagnetic Shape Memory Alloy Co39Ni33Al28

Zhuhong Liu; H.Y. Wang; S.Y. Yu; X.F. Dai; J.L. Chen; G.H. Wu; Yinong Liu

doi:10.1016/j.scriptamat.2005.12.010

Phase Equilibrium of Ferromagnetic Shape Memory Alloy Co39Ni33Al28

Zhuhong Liu, H.Y. Wang, S.Y. Yu, X.F. Dai, J.L. Chen, G.H. Wu, Yinong Liu

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23 Citations (Scopus)

Abstract

Co39Ni33Al28 ribbon with a beta phase structure, which exhibited a martensitic transformation to L1(0) phase.. was found to be unstable and decomposed into a beta + gamma phase mixture upon heating to above 973 K. The double-phase structure was found to exhibit no martensitic transformation, despite the presence of the beta phase. This is ascribed to the change of the beta phase composition due to the formation of the gamma phase. Annealing of the decomposed sample at 1473 K, followed by rapid cooling, was effective in restoring the B-2 -> L1(0) martensitic transformation. (c) 2006 Acta Materialia, Inc. Published by Elsevier Ltd. All rights reserved.

Original language	English
Pages (from-to)	1299-1304
Journal	Scripta Materialia
Volume	54
Issue number	7
DOIs	https://doi.org/10.1016/j.scriptamat.2005.12.010
Publication status	Published - 2006

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title = "Phase Equilibrium of Ferromagnetic Shape Memory Alloy Co39Ni33Al28",

abstract = "Co39Ni33Al28 ribbon with a beta phase structure, which exhibited a martensitic transformation to L1(0) phase.. was found to be unstable and decomposed into a beta + gamma phase mixture upon heating to above 973 K. The double-phase structure was found to exhibit no martensitic transformation, despite the presence of the beta phase. This is ascribed to the change of the beta phase composition due to the formation of the gamma phase. Annealing of the decomposed sample at 1473 K, followed by rapid cooling, was effective in restoring the B-2 -> L1(0) martensitic transformation. (c) 2006 Acta Materialia, Inc. Published by Elsevier Ltd. All rights reserved.",

author = "Zhuhong Liu and H.Y. Wang and S.Y. Yu and X.F. Dai and J.L. Chen and G.H. Wu and Yinong Liu",

year = "2006",

doi = "10.1016/j.scriptamat.2005.12.010",

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pages = "1299--1304",

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issn = "1359-6462",

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TY - JOUR

T1 - Phase Equilibrium of Ferromagnetic Shape Memory Alloy Co39Ni33Al28

AU - Liu, Zhuhong

AU - Wang, H.Y.

AU - Yu, S.Y.

AU - Dai, X.F.

AU - Chen, J.L.

AU - Wu, G.H.

AU - Liu, Yinong

PY - 2006

Y1 - 2006

N2 - Co39Ni33Al28 ribbon with a beta phase structure, which exhibited a martensitic transformation to L1(0) phase.. was found to be unstable and decomposed into a beta + gamma phase mixture upon heating to above 973 K. The double-phase structure was found to exhibit no martensitic transformation, despite the presence of the beta phase. This is ascribed to the change of the beta phase composition due to the formation of the gamma phase. Annealing of the decomposed sample at 1473 K, followed by rapid cooling, was effective in restoring the B-2 -> L1(0) martensitic transformation. (c) 2006 Acta Materialia, Inc. Published by Elsevier Ltd. All rights reserved.

AB - Co39Ni33Al28 ribbon with a beta phase structure, which exhibited a martensitic transformation to L1(0) phase.. was found to be unstable and decomposed into a beta + gamma phase mixture upon heating to above 973 K. The double-phase structure was found to exhibit no martensitic transformation, despite the presence of the beta phase. This is ascribed to the change of the beta phase composition due to the formation of the gamma phase. Annealing of the decomposed sample at 1473 K, followed by rapid cooling, was effective in restoring the B-2 -> L1(0) martensitic transformation. (c) 2006 Acta Materialia, Inc. Published by Elsevier Ltd. All rights reserved.

U2 - 10.1016/j.scriptamat.2005.12.010

DO - 10.1016/j.scriptamat.2005.12.010

M3 - Article

SN - 1359-6462

VL - 54

SP - 1299

EP - 1304

JO - Scripta Materialia

JF - Scripta Materialia

IS - 7

ER -

Phase Equilibrium of Ferromagnetic Shape Memory Alloy Co39Ni33Al28

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