Experiments demonstrated that the addition of a minute amount of V to Fe52Co(20-x)B20Si4Nb4Vx amorphous alloy induces atomic-scale phase separation, which dramatically enhances the plasticity. Especially, Fe52Co17.5B20Si4Nb4V2.5 amorphous alloy exhibited a strength of 4.7GPa and a fracture strain of 8.0%, which is the largest strain reported for Fe-based amorphous alloys. In this study, the structural origin of the enhanced plasticity is explored by examining the role played by the phase separating element on the packing density and strain localization.
|Number of pages||5|
|Journal||Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing|
|Publication status||Published - 2012 Aug 30|
Bibliographical noteFunding Information:
J.C. acknowledges the support of the National Research Foundation of Korea under Award of 2011-0000241.
- Amorphous alloy
- Phase separation
- Strain localization
- Structural disordering
ASJC Scopus subject areas
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering