The kinetics of reentrant glass transition in metallic liquids. (1st January 2023)

• Record Type: Journal Article
• Authors: Shen, J.; Zhang, H.P.; Chen, Z.Q.; Ouyang, L.F.; Wang, F.R.; Lu, Z.; Li, M.Z.; Sun, Y.H.; Bai, H.Y.; Wang, W.H.
• Is Part Of: Acta materialia. Volume 244(2023)
• Publication Date: 2023-01-01
• Subjects: Materials -- Periodicals; Materials science -- Periodicals; Materials -- Mechanical properties -- Periodicals; Metallurgy -- Periodicals; Chemistry, Inorganic -- Periodicals; 620.112
• DOI: 10.1016/j.actamat.2022.118554
• Languages: English
• ISSNs: 1359-6454

Abstract

ABSTRACT: Reentrant glass transition is a new glass-transition phenomenon in which a devitrified liquid reenters a second glassy state and is well-known in some colloidal systems. Reentrant glass transition has been recently discovered in metallic-liquid systems but its ongoing mechanisms remain mostly unknown. Here, the reentrant glass transition of a series of Pd-Ni-P metallic liquids are investigated using fast-calorimetric analyses and ab-initio molecular dynamics simulation. While the amount of heat release of reentrant glass transition in different Pd-Ni-P liquids are similar, the change of liquid kinetics itself results in different reentrant-glass-transition behaviors: the transition kinetics is governed by the fast hopping of P atoms rather than the cooperative liquid motions related with vitrification. The reentrant glass transition is found to be related to medium-range structural ordering process through vertex-sharing of the P-centered polyhedral clusters. The kinetics map of liquid freezing for Pd-Ni-P glass-forming liquids over broad ranges of heating-rate and composition is presented. Graphical Abstract: Image, graphical abstract