Evaluation of the relationship between the effective strain and the springback behavior during the deformation of metallic glass ribbons
- Ames Laboratory
- Samsung Electronics Co., LTD
- Korea Institute of Industrial Technology
- Institute for Complex Materials
We evaluated the role of effective strain on the plasticity of metallic glasses related to springback phenomena in both ductile Zr-based metallic glass and brittle Hf-based metallic glass. Experimental investigations of the deformation behavior and the intrinsic mechanical properties of metallic glass were performed by room temperature L-bending deformation. The modeling analysis clearly shows that an inhomogeneous effective strain for initiating shear band is generated during deformation, with the brittleness of a metallic glass being dependent on the effective strain reaching the critical fracture strain of the glass. The combined experimental and modeling results reveal broad and general criteria that should allow for deformability of a wide-variety of glass-forming alloys by adjusting the effective strain during deformation.
- Research Organization:
- Ames Lab., Ames, IA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- DE-AC02-07CH11358
- OSTI ID:
- 1163976
- Report Number(s):
- IS-J 8439; APPLAB
- Journal Information:
- Applied Physics Letters, Vol. 105, Issue 6; ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
Similar Records
Spatial correlation of elastic heterogeneity tunes the deformation behavior of metallic glasses
Roles of nanoclusters in shear banding and plastic deformation of bulk metallic glasses