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Physical aging of metallic glasses: characteristic times and effects on the mechanical relaxation behavior

Author
Liu, C.; Pineda, E.; Isalgue, A.; Crespo, D.
Type of activity
Presentation of work at congresses
Name of edition
21st International Symposium on Metastable, Amorphous and Nanostructured Materials - ISMANAM 2014
Date of publication
2014
Presentation's date
2014-07-01
Abstract
Metallic glasses produced with very high quenching rates contain large amounts of free volume and frozen-in stresses. Physical aging or structural relaxation drives glassy systems towards more relaxed states, releasing free volume and internal local stresses [1]. It is well-known that structural relaxation induces significant changes in metallic glass properties, for instance changes from ductile to brittle fracture behaviour or in the corrosion resistance [2]. For many metallic glasses, structu...
Keywords
Structural relaxation, aging, metallic glasses
Group of research
AIEM - Architecture, energy and environment
GCM - Group of Characterization of Materials

Participants