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The Effect of Co Addition on Glassy Forming Ability and Soft Magnetic Properties of Fe-Si-B-P Bulk Metallic Glass

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Abstract:

We Successfully Prepared the Rod Glassy Samples of (Fe1-xCox)76Si9B10P5 (x = 0~0.4) Bulk Metallic Glass (BMG) with the Diameters up to 3.0 mm by Substituting Fe for a Small Amount of Co Element. A Certain Amount of Co Substitution for Fe Contributes to the Increase of the Glass-Forming Ability (GFA) while Maintaining Good Mechanical Properties (the Fracture Strength up to 3700 MPa). This Co-Added Ferromagnetic Bulk Glassy Alloy System Also Exhibits a Higher Saturation Magnetization of 1.49 T and Lower Coercive Force (Hc, 1.2 A/m). The Fe-Based BMGs with Alloying a Small Amount of Co Element Demonstrate Excellent Combination of High GFA, Good Soft-Magnetic Properties as Well as High Strength.

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Periodical:

Key Engineering Materials (Volume 508)

Pages:

112-116

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.508.112

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Online since:

March 2012

Authors:

Xue Li, Yan Zhang, Hidemi Kato, Akihiro Makino, Akihisa Inoue

Keywords:

Bulk Metallic Glass (BMG), Co Addition, Fe-Based Alloy, Glassy Forming Ability, Magnetism

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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