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]. WebFeb 15, 2024 · A relaxed heterogeneous metallic glass is successfully rejuvenated by using a recovery-annealing technique. It is found that the rejuvenation state is related to the …
Signature of local stress states in the deformation behavior of ...
WebAbstract Studying the primary α- and secondary β-relaxation process has contributed significantly to the understanding of the structure and rheology of metallic glasses. In … WebGamma relaxation in bulk metallic glasses S. Küchemann, R. Maaß⁎ Department of Materials Science and Engineering, University of Illinois at Urbana-Champaign, 1304 West Green Street, Urbana 61801, IL, USA article info abstract Article history: Received 26 March 2024 Accepted 23 April 2024 Available online xxxx duke university admissions interview
Structure-dynamics relationships in cryogenically deformed bulk ...
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 … WebThe BPs appear as maxima of ( Cp − γ T )/ T3 at ~10 K, showing a positive correlation with the rejuvenation of metallic glasses. With heavier rejuvenation at higher V0, the BP … 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 … duke university address north carolina