Effect of ageing in Ni–Fe–Ga ferromagnet
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J. Font; J. Muntasell; R. Santamarta; F. Masdeu; J. Pons; E. Cesari; C. Seguí; J
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Article
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2006
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Elsevier Science
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English
⚖ 953 KB
Three polycrystalline Ni 53.5+x -Fe 19.5-x -Ga 27.0 alloys, with x = 0, 0.5, 1.5 (at.%), have been aged at 520 and 670 K. The initial increase of martensitic transformation temperatures upon ageing has been attributed to a decrease of L2 1 order. The alloys with lower Fe content show remarkable ther