Mechanical Deformation Behavior of Amorphous Metallic Materials
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Entropic Alloys and Meta-Metals".
Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 1786
Special Issue Editor
Interests: the relaxation and crystallization behaviors in amorphous materials; the mechanical behaviors in amorphous alloys especially for the shear band formation and the plasticity improvement; the micro-scale mechanics in amorphous alloys and the development of novel bulk amorphous alloys with excellent mechanical properties
Special Issue Information
Dear Colleagues,
Amorphous alloys, also called metallic glasses, own many excellent mechanical properties due to their disordered atomic structure and metallic bonding, such as ultra-high strength, large elastic strain limit, high hardness, and unique ability to be processed like plastics. Mechanical behaviors of amorphous alloys have proven to be of fundamental scientific interest for their contrast with conventional crystalline alloys and also occupy a unique position compared with other classes of engineering materials. However, under external stress, the plastic deformation of amorphous alloys is highly localized into several nanoscale narrow shear bands and then leads to the “softening” behaviors and finally catastrophic fracture, which is the major obstacle for their structural applications. Thus, it is critical to reveal the physical mechanism of deformation behaviors and clarify the intrinsic correlation between the microscopic structure and the mechanical properties in amorphous alloys. Although many researchers have focused on the mechanical behaviors of amorphous alloys, there are still some unsolved but critical issues in this area, such as intrinsic correlation with glass structure, deeper understanding of shear band formation and evolution process with external conditions, and origin of tough or brittle fracture. It is urgent to apply for new characterization techniques to investigate these fundamental questions and we are looking forward to more new progress in this area.
This Special Issue aims to present the latest research related to the mechanical deformation behaviors of amorphous alloys including experiments, simulations and calculations. Full papers, communications, and reviews are welcome.
Dr. Meng Gao
Guest Editor
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Keywords
- amorphous alloy
- metallic glass
- mechanical properties
- deformation behaviors
- shear band
- plasticity
- fracture
- structure-property relationship
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