Journal
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
Volume 103, Issue 9, Pages 1113-1116Publisher
CARL HANSER VERLAG
DOI: 10.3139/146.110783
Keywords
Bulk metallic glasses; Quasicrystals; Cold-rolling; Ductility
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The as-cast Zr57Ti8Nb2.5Cu13.9Ni11.1Al7.5 glass-quasicrystalline composite exhibits high strength, good elasticity but no macroscopic room temperature plastic deformability. Significant improvement in plastic deformability to a strain of about 5% can be achieved after cold-rolling of the as-cast material. This behavior can be ascribed the anisotropic and inhomoeeneous stress distribution developing during the mechanical test along with the creation of an extensive system of shear bands.
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