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Soft Ferromagnetic Bulk Metallic Glass with Potential Self-Healing Ability.


ABSTRACT: A new concept of soft ferromagnetic bulk metallic glass (BMG) with self-healing ability is proposed. The specific [Fe36Co36B19.2Si4.8Nb4]100-x(Ga)x (x = 0, 0.5, 1 and1.5) BMGs prepared by copper mold casting were investigated as a function of Ga content. The Ga-containing BMGs still hold soft magnetic properties and exhibit large plastic strain of 1.53% in compression. Local melting during shearing produces molten droplets of several µm size throughout the fracture surface. This concept of local melting during shearing can be utilized to produce BMGs with self-healing ability. The molten regions play a vital role in deflecting shear transformation zones, thereby enhancing the mechanical properties.

SUBMITTER: Ramasamy P 

PROVIDER: S-EPMC7143147 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Soft Ferromagnetic Bulk Metallic Glass with Potential Self-Healing Ability.

Ramasamy Parthiban P   Stoica Mihai M   Ababei Gabriel G   Lupu Nicoleta N   Eckert Jürgen J  

Materials (Basel, Switzerland) 20200314 6


A new concept of soft ferromagnetic bulk metallic glass (BMG) with self-healing ability is proposed. The specific [Fe<sub>36</sub>Co<sub>36</sub>B<sub>19.2</sub>Si<sub>4.8</sub>Nb<sub>4</sub>]<sub>100-x</sub>(Ga)<sub>x</sub> (x = 0, 0.5, 1 and1.5) BMGs prepared by copper mold casting were investigated as a function of Ga content. The Ga-containing BMGs still hold soft magnetic properties and exhibit large plastic strain of 1.53% in compression. Local melting during shearing produces molten dropl  ...[more]

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