Phase transformation of Heusler type Ni2+xMn1-xGa (x=0~0.19)

M. Matsumoto; T. Takagi; J. Tani; T. Kanomata; N. Muramatsu; A. N. Vasil'Ev

doi:10.1016/s0921-5093(99)00381-0

Phase transformation of Heusler type Ni_2+xMn_1-xGa (x=0~0.19)

M. Matsumoto, T. Takagi, J. Tani, T. Kanomata, N. Muramatsu, A. N. Vasil'Ev

Research output: Contribution to journal › Article › peer-review

48 Citations (Scopus)

Abstract

Stoichiometric Ni₂MnGa has a ferromagnetic and thermo-elastic martensitic transformation. Stoichiometric and non-stoichiometric Ni_2+xMn_1-xGa (x=0~0.19) were made by the arc melting method and the martensitic and inverse martenistic transformation temperatues, M_s, M_f, A_s and A_f, were measured by a differential scanning calorimeter. The phase transformation temperature, T_m, and the Curie temperature, T_c, were determined by the low field magnetic susceptibility vs. temperature curves. The Curie temperatures, T_c, decrease and the transformation temperatures, M_s, M_f, A_s and T_m (A_s), increase with an increase of Ni composition.

Original language	English
Pages (from-to)	326-328
Number of pages	3
Journal	Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing
Volume	273-275
DOIs	https://doi.org/10.1016/s0921-5093(99)00381-0
Publication status	Published - 1999 Dec 15

Keywords

Martensitic transformation
NiMnGa
Phase transformation

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10.1016/s0921-5093(99)00381-0

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title = "Phase transformation of Heusler type Ni2+xMn1-xGa (x=0~0.19)",

abstract = "Stoichiometric Ni2MnGa has a ferromagnetic and thermo-elastic martensitic transformation. Stoichiometric and non-stoichiometric Ni2+xMn1-xGa (x=0~0.19) were made by the arc melting method and the martensitic and inverse martenistic transformation temperatues, Ms, Mf, As and Af, were measured by a differential scanning calorimeter. The phase transformation temperature, Tm, and the Curie temperature, Tc, were determined by the low field magnetic susceptibility vs. temperature curves. The Curie temperatures, Tc, decrease and the transformation temperatures, Ms, Mf, As and Tm (As), increase with an increase of Ni composition.",

keywords = "Martensitic transformation, NiMnGa, Phase transformation",

author = "M. Matsumoto and T. Takagi and J. Tani and T. Kanomata and N. Muramatsu and Vasil'Ev, {A. N.}",

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doi = "10.1016/s0921-5093(99)00381-0",

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TY - JOUR

T1 - Phase transformation of Heusler type Ni2+xMn1-xGa (x=0~0.19)

AU - Matsumoto, M.

AU - Takagi, T.

AU - Tani, J.

AU - Kanomata, T.

AU - Muramatsu, N.

AU - Vasil'Ev, A. N.

PY - 1999/12/15

Y1 - 1999/12/15

N2 - Stoichiometric Ni2MnGa has a ferromagnetic and thermo-elastic martensitic transformation. Stoichiometric and non-stoichiometric Ni2+xMn1-xGa (x=0~0.19) were made by the arc melting method and the martensitic and inverse martenistic transformation temperatues, Ms, Mf, As and Af, were measured by a differential scanning calorimeter. The phase transformation temperature, Tm, and the Curie temperature, Tc, were determined by the low field magnetic susceptibility vs. temperature curves. The Curie temperatures, Tc, decrease and the transformation temperatures, Ms, Mf, As and Tm (As), increase with an increase of Ni composition.

AB - Stoichiometric Ni2MnGa has a ferromagnetic and thermo-elastic martensitic transformation. Stoichiometric and non-stoichiometric Ni2+xMn1-xGa (x=0~0.19) were made by the arc melting method and the martensitic and inverse martenistic transformation temperatues, Ms, Mf, As and Af, were measured by a differential scanning calorimeter. The phase transformation temperature, Tm, and the Curie temperature, Tc, were determined by the low field magnetic susceptibility vs. temperature curves. The Curie temperatures, Tc, decrease and the transformation temperatures, Ms, Mf, As and Tm (As), increase with an increase of Ni composition.

KW - Martensitic transformation

KW - NiMnGa

KW - Phase transformation

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U2 - 10.1016/s0921-5093(99)00381-0

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EP - 328

JO - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

JF - Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing

ER -

Phase transformation of Heusler type Ni_2+xMn_1-xGa (x=0~0.19)

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Keywords

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