Soft Ferromagnetic Bulk Metallic Glass with Potential Self-Healing Ability
Open Access
- 14 March 2020
- Vol. 13 (6), 1319
- https://doi.org/10.3390/ma13061319
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.Funding Information
- Seventh Framework Programme (FP7-PEOPLE-2013-ITN-607080)
- European Research Council (ERC-2013-ADG-340025)
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