WebFeb 20, 2024 · For thermal activation processes in MGs, such as crystallization and different relaxations, including the primary α relaxation, the relationship between the typical temperature (crystallization... WebJul 22, 2024 · The relaxation phenomena of metallic glasses (MGs) have attracted a great deal of attention from researchers who seek to unveil the nature of the glass transition and other key issues in...
Liquid-like atoms in dense-packed solid glasses - Nature
WebFigure 1: Relaxation spectrum for the bulk metallic glass Vit106a between 0.15×T g and T g. Besides the well know α- and -process, a third relaxation process occurs around 0.26×T … WebThe dynamic mechanical relaxation of metallic glasses is closely associated with the physical and mechanical properties. In the current work,the dynamic mechanical relaxation behaviors of Cu 46Zr 45Al 7Y 2 and La 65Al 14(Cu 5/6Ag 1/6) 11(Ni 1/2Co 1/2) 10 bulk metallic glasses are investigated by mechanical spectroscopy. In general, metallic terruggia maps
Separating β relaxation from α relaxation in fragile metallic glasses ...
WebFeb 15, 2024 · The structural relaxation of MGs represents a transition at a timescale ranging from picoseconds to thousands of years, which may involve a complex disordered and heterogeneous atomic structure of MGs evolving to a state with a low free energy at a given temperature, resulting in a complicated aging with a densification process [11]. Studying the primary α- and secondary β-relaxation process has contributed … The developments of bulk metallic glasses [48], [49] in recent years with excellent … An example of the connection of atomic-scale structure to mechanical behavior … Little is known about mechanical properties of bulk glassy alloys (BGAs) at … Structural relaxation in bulk metallic glasses reduces the atomic mobility, due to a … Enthalpy relaxation and its relation to the thermodynamics and crystallization of … 1. Introduction. The transition from an amorphous solid state to the … WebWe find that γ-relaxation in the here studied bulk metallic glasses represents an irreversible structural excitation, causing a remarkable enthalpy storage that is recovered … terrou-bi hotel dakar