Universitat Politècnica de Catalunya. Departament de Física
Universitat Politècnica de Catalunya. GCM - Grup de Caracterització de Materials
2020-09-01
Relaxation of internal friction of Zr57Nb5Al10Cu15.4Ni12.6 metallic glass was investigated by mechanical spectroscopy. The stress relaxation of internal friction with different aging temperature was described by Kohlrausch-Williams-Watts (KWW) equation. The shear viscosity behavior during linear heating can be interpreted as a result of the local irreversible structural relaxation with distributed activation energies. The results show that the dynamic heterogeneity and the atomic mobility are stimulated by the increasing annealing temperature.
Postprint (author's final draft)
Article
Anglès
Àrees temàtiques de la UPC::Física; Metallic glasses; Metallic glasses; Internal friction; Mechanical relaxation; Structural heterogeneity; Shear viscosity; Vidres metàl·lics
https://www.sciencedirect.com/science/article/abs/pii/S0966979520300819
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Open Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
E-prints [72986]