Load Relaxation Studies of a Metallic Glass.
Technical progress rept.,
CORNELL UNIV ITHACA N Y DEPT OF MATERIALS SCIENCE AND ENGINEERING
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This note reports experimental results of load relaxation studies of a commercial metallic glass METGLAS 2826 as a function of temperature. The data suggests that metallic glasses exhibit deformation behavior with flow laws similar to those governing plastic deformation in crystalline solids. The lack of appreciable work hardening on annealed material and the identification of an elastic component are also indicated by the experimental observation. The deformation properties of metallic glasses were reviewed recently by Davis. He discussed the possiblity that metallic glasses exhibit deformation properties governed by dislocation mechanisms and show little capacity for work hardening. Recently Murata and co-workers showed that non-elastic deformation in metallic glasses contains two separate components a time dependent and recoverable anelastic component and a time dependent and non-recoverable plastic component. They argued, however, based on their observations that metallic glasses can be hardened by straining.
- Ceramics, Refractories and Glass
- Metallurgy and Metallography