Characterization of magnetostrictive Fe–Ga-based alloys fabricated by rapid solidification

Characterization of magnetostrictive Fe–Ga-based alloys fabricated by rapid solidification

(Fe 0.80Ga 0.15Al 0.05) 98.5C 1.5 (at.%) ribbon was made by the melt-spinning method. This ribbon showed a large strain of 137 ppm and a high tensile stress of 860 MPa. The anisotropic texture with 〈1 0 0〉 preferred crystalline orientation in the ribbon plays an important role in increasing magnetos...

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Veröffentlicht in:Scripta materialia 2009-05, Vol.60 (10), p.847-849
Hauptverfasser: Takahashi, Toshiya, Hashimoto, Kenji, Okazaki, Teiko, Furuya, Yasubumi, Kubota, Takeshi, Saito, Chihiro
Format: Artikel
Sprache:eng
Schlagworte:
Iron alloys
Magnetostriction
Melt spinning
Precipitation hardening
Rapid solidification
Ribbons
Scanning electron microscopy (SEM)
Surface layer
Tensile stress
Tension test
Texture
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Zusammenfassung:(Fe 0.80Ga 0.15Al 0.05) 98.5C 1.5 (at.%) ribbon was made by the melt-spinning method. This ribbon showed a large strain of 137 ppm and a high tensile stress of 860 MPa. The anisotropic texture with 〈1 0 0〉 preferred crystalline orientation in the ribbon plays an important role in increasing magnetostriction, and the mechanical strength is enhanced by grain refining during rapid solidification and subsequent precipitation hardening due to the carbide phase.
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2009.01.020