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Magnetic properties and martensitic transition in annealed Ni50Mn30Al20
Mañosa, Lluís; Planes Vila, Antoni; Acet, Mehmet; Duman, Eyup; Wassermann, Eberhard F.
Universitat de Barcelona
We have studied the effect of heat treatment on the magnetic properties and on the martensitic transition of the Ni50Mn30Al20 alloy. A mixed L21+B2 state is obtained in the as-prepared sample, while no L21 order is retained in the sample quenched from high temperature. For the two heat treatments, the samples order antiferromagnetically, but there is evidence of coexisting ferromagnetic interactions. A martensitic transition occurs below the magnetic one for quenched samples. However, the martensitic transition is inhibited in the as-prepared sample.
19-04-2012
Propietats magnètiques
Ciència dels materials
Magnetic properties
Materials science
(c) American Institute of Physics, 2003
Artículo
American Institute of Physics
         

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