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Thermoelastic martensitic transition and magnetic properties of the Ni2.14Mn0.81Fe0.05Ga alloy in different structural states

Imashev, R N and Mulyukov, Kh Ya and Koledov, V V and Shavrov, V G (2005) Thermoelastic martensitic transition and magnetic properties of the Ni2.14Mn0.81Fe0.05Ga alloy in different structural states. Journal of Physics: Condensed Matter, 17 (13). pp. 2129-2135.

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Official URL: http://stacks.iop.org/0953-8984/17/2129

Abstract

Investigations of the temperature dependence of magnetization revealed that, in the ferromagnetic shape memory Ni2.14Mn0.81Fe0.05Ga alloy, after formation of the nanocrystalline state by a severe plastic deformation method, neither ferromagnetic ordering nor a structural transition takes place. Subsequent annealing leads to the restoration of magnetic ordering. Also, on increasing the temperature of annealing restoration of the structural transition for the first time was observed. It was shown that the temperature of the thermoelastic martensitic transition depends on crystallite sizes. An intermartensitic transition in coarse grained Ni2.14Mn0.81Fe0.05Ga alloy was discovered.

Item Type:Article
ID Code:5460
Deposited By:Prof. Alexey Ivanov
Deposited On:06 Feb 2010 11:11
Last Modified:06 Feb 2010 11:53

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