Soft-ferromagnetic bulk glassy alloys with large magnetostriction and high glass-forming ability
Source abstract
Abstract
The effect of Dy addition on the glass-forming ability (GFA), magnetostriction as well as soft-magnetic properties and fracture strength in FeDyBSiNb glassy alloys was investigated. In addition to the increase of supercooled liquid region from 55 to 100 K, the addition of Dy is effective in approaching alloy to an eutectic point and increasing the saturation magnetostrction (λs). Accordingly, bulk glassy alloy (BGA) rods with diameters up to 4 mm were produced, which exhibit a large λs as high as 65×10-6. Besides, the BGA system exhibits superhigh fracture strength of 4000 MPa, combined with good soft-magnetic properties.
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Research context
OpenAlex topics: Metallic Glasses and Amorphous Alloys
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Affiliations
Chinese Academy of Sciences Zhejiang Province Key Laboratory of Magnetic Materials and Application Technology, Key Laboratory of Magnetic Materials and Devices, and Ningbo Institute of Materials Technology & Engineering, , Ningbo, Zhejiang 315201, China
Funding
National Natural Science Foundation of China
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