Presentation 2002/10/31
Grain Boundary Segregation of Non-magnetic Phases During Crystallization of Co-based Magnetic Glasses
T.Y. Byun, K.K. Kim, Y. Oh, C.S. Yoon, C.K. Kim,
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Abstract(in English) The segregation of non-magnetic phases such as borosilicate and Cr was investigated by crystallization behavior during the surface and bulk crystallization of Co-based amorphous alloys. The concentration of metalloids (B and Si) determined the extent of grain boundary segregation of borosilicate glass during surface crystallization. During the bulk crystallization of paramagnetic (Co_75Cr_25)_0.8Si_5B_15 amorphous alloy, solute rejection of Cr resulted in the nucleation of Cr-deficient ferromagnetic crystals and σ -phase was subsequently precipitated along the grain boundary. These results shows that crystallization process, i. e. nucleation and growth can be controlled to optimize the microstructure to reduce noises in Co-based recording media
Keyword(in Japanese) (See Japanese page)
Keyword(in English) segregation / non-magnetic phase / crystallization / amorphous alloy
Paper # MR 2002-37
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Committee MR
Conference Date 2002/10/31(1days)
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Registration To Magnetic Recording (MR)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Grain Boundary Segregation of Non-magnetic Phases During Crystallization of Co-based Magnetic Glasses
Sub Title (in English)
Keyword(1) segregation
Keyword(2) non-magnetic phase
Keyword(3) crystallization
Keyword(4) amorphous alloy
1st Author's Name T.Y. Byun
1st Author's Affiliation Department of Materials Sci. & Eng., Hanyang University()
2nd Author's Name K.K. Kim
2nd Author's Affiliation Department of Materials Sci. & Eng., Hanyang University
3rd Author's Name Y. Oh
3rd Author's Affiliation Department of Materials Sci. & Eng., Hanyang University
4th Author's Name C.S. Yoon
4th Author's Affiliation Department of Materials Sci. & Eng., Hanyang University
5th Author's Name C.K. Kim
5th Author's Affiliation Department of Materials Sci. & Eng., Hanyang University
Date 2002/10/31
Paper # MR 2002-37
Volume (vol) vol.102
Number (no) 423
Page pp.pp.-
#Pages 6
Date of Issue