Dear Colleagues,

"Bulk metallic glasses (BMGs)" and "Bulk metallic glass composites (BMGCs)" have been developed and researched for more than two decades. From these great approaches, BMGs with high glass forming ability, high thermal stability, good corrosion and wear resistance and unique mechanical properties have been achieved, which are superior to conventional metals and alloys. Moreover, super-plastic deformability in the supercooled liquid region originated from glass transition of BMGs facilitates net-shape forming processing based on the thermoplastic forming. However, limited macroscopic tensile ductility of BMGs at room temperature is still one of the problems in structural applications.

BMGCs containing various second phases, such as ceramics, ductile and hard crystalline particles, have exhibited excellent and unique properties beyond those of BMGs due to the strong interactions between amorphous and second phases. For example, some recent BMGCs, containing the unique crystalline phase, have been found and exhibit large plasticity and pronounced work-hardening behavior for both compression and tension. These excellent mechanical properties are mainly related to the transformation-induced plasticity, resulting from the stress-induced martensitic transformation of the second phase during deformation, as well as the severe interactions between shear bands and the second phase. Novel BMGCs, with highly-improved mechanical properties, can provides an opportunity for use in structural applications in near future.

Although a large amount of research has been presented, there are still challenges and academic issues regarding alloy design, phase stability, structures, kinetics and various properties of BMGs and BMGCs, as well as novel fabricating and processing methods. This Special Issue focuses on recent advances in novel alloy design, atomic and electronic structures, microstructure, dynamics, various properties, processing, and applications of BMGs and BMGCs. We welcome contributions from researchers, theorists, and computational scientists in field.

Prof. Ki Buem Kim
Guest Editor

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• Bulk metallic glasses

• Bulk metallic glass composites

• Glass-forming ability and phase stability

• Structural relaxation and crystallization

• Viscous flow behavior

• Mechanical, chemical, magnetic, electrical properties

• Deformation and fracture behavior

• Processing