Abstract
Vickers indentation tests were conducted on a Zr 62.55Cu 17.55Ni 9.9Al 10 bulk amorphous alloy to investigate the evolution of shear bands and its plastic deformation dimension via a bonded interface technique. Under all indentation loads, the plastic deformation is accommodated through semi-circular and radial shear bands. The plastic deformation dimension increases with increasing the indentation loads. A simplified λ = C( P) 0.5 model was put forward to predict and estimate the plastic deformation dimension characterized by shear bands in the subsurface. For the Zr 62.55Cu 17.55Ni 9.9Al 10 amorphous alloy, C is about 15.314 µm/N 0.5. The normalized shear band zone is independent to the indentation load.
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