Enhancement of coercivity of SmFe11Ti melt-spun ribbon by chemical etching

Y. B. Kim; K. S. Ryu; C. S. Kim; S. Sugimoto; M. Okada; M. Homma

doi:10.2320/matertrans1989.33.407

Enhancement of coercivity of SmFe₁₁Ti melt-spun ribbon by chemical etching

Y. B. Kim, K. S. Ryu, C. S. Kim, S. Sugimoto, M. Okada, M. Homma

ENG - Materials Science

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

2 Citations (Scopus)

Abstract

The results of composition and phase analysis for SmFe11Ti melt-spun ribbons annealed in vacuum have revealed that α-(Fe, Ti) phase with low coercivity exists mainly on the ribbon surface. Removal of surface low coercivity layers of ribbon by chemical etching is found to be effective in increasing the coercivity. A coercivity of 565 kA/m (7.1 kOe) is obtained by the surface etching of a SmFe11Ti melt-spun ribbon. This value is about 35% higher than that of the ribbon before the etching.

Original language	English
Pages (from-to)	407-409
Number of pages	3
Journal	Materials Transactions, JIM
Volume	33
Issue number	4
DOIs	https://doi.org/10.2320/matertrans1989.33.407
Publication status	Published - 1992

Keywords

SmFeTi
chemical etching
coercivity
melt-spun ribbon

ASJC Scopus subject areas

Engineering(all)

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title = "Enhancement of coercivity of SmFe11Ti melt-spun ribbon by chemical etching",

abstract = "The results of composition and phase analysis for SmFe11Ti melt-spun ribbons annealed in vacuum have revealed that α-(Fe, Ti) phase with low coercivity exists mainly on the ribbon surface. Removal of surface low coercivity layers of ribbon by chemical etching is found to be effective in increasing the coercivity. A coercivity of 565 kA/m (7.1 kOe) is obtained by the surface etching of a SmFe11Ti melt-spun ribbon. This value is about 35% higher than that of the ribbon before the etching.",

keywords = "SmFeTi, chemical etching, coercivity, melt-spun ribbon",

author = "Kim, {Y. B.} and Ryu, {K. S.} and Kim, {C. S.} and S. Sugimoto and M. Okada and M. Homma",

year = "1992",

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T1 - Enhancement of coercivity of SmFe11Ti melt-spun ribbon by chemical etching

AU - Kim, Y. B.

AU - Ryu, K. S.

AU - Kim, C. S.

AU - Sugimoto, S.

AU - Okada, M.

AU - Homma, M.

PY - 1992

Y1 - 1992

N2 - The results of composition and phase analysis for SmFe11Ti melt-spun ribbons annealed in vacuum have revealed that α-(Fe, Ti) phase with low coercivity exists mainly on the ribbon surface. Removal of surface low coercivity layers of ribbon by chemical etching is found to be effective in increasing the coercivity. A coercivity of 565 kA/m (7.1 kOe) is obtained by the surface etching of a SmFe11Ti melt-spun ribbon. This value is about 35% higher than that of the ribbon before the etching.

AB - The results of composition and phase analysis for SmFe11Ti melt-spun ribbons annealed in vacuum have revealed that α-(Fe, Ti) phase with low coercivity exists mainly on the ribbon surface. Removal of surface low coercivity layers of ribbon by chemical etching is found to be effective in increasing the coercivity. A coercivity of 565 kA/m (7.1 kOe) is obtained by the surface etching of a SmFe11Ti melt-spun ribbon. This value is about 35% higher than that of the ribbon before the etching.

KW - SmFeTi

KW - chemical etching

KW - coercivity

KW - melt-spun ribbon

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