Mechanical behavior of amorphous alloys

CA Schuh, TC Hufnagel, U Ramamurty - Acta Materialia, 2007 - Elsevier
The mechanical properties of amorphous alloys have proven both scientifically unique and
of potential practical interest, although the underlying deformation physics of these materials …

Correlation between enthalpy change and free volume reduction during structural relaxation of Zr55Cu30Al10Ni5 metallic glass

A Slipenyuk, J Eckert - Scripta materialia, 2004 - Elsevier
The correlation between enthalpy change (ΔH) and free volume reduction (Δvf) during
structural relaxation of Zr55Cu30Al10Ni5 bulk metallic glass was investigated by differential …

Modelling and physical analysis of the high-temperature rheological behavior of a metallic glass

YT Cheng, Q Hao, JM Pelletier, E Pineda… - International Journal of …, 2021 - Elsevier
The high-temperature rheological behavior, around the glass transition temperature, of a Zr
48 Cu 34 Ag 8 Al 8 Pd 2 metallic glass was investigated by strain rate jump experiments …

Effects of free volume changes and residual stresses on the fatigue and fracture behavior of a Zr–Ti–Ni–Cu–Be bulk metallic glass

ME Launey, R Busch, JJ Kruzic - Acta Materialia, 2008 - Elsevier
The roles of free volume and residual stress in affecting the fracture and fatigue behavior of
a Zr44Ti11Ni10Cu10Be25 bulk metallic glass are examined. Different residual stress and …

Characterization of free volume changes associated with shear band formation in Zr-and Cu-based bulk metallic glasses

BP Kanungo, SC Glade, P Asoka-Kumar, KM Flores - Intermetallics, 2004 - Elsevier
The free volume model for flow in metallic glasses predicts a significant increase in free
volume at the onset of plastic deformation. The details of these structural changes are …

Free volume model: High-temperature deformation of a Zr-based bulk metallic glass

M Bletry, P Guyot, JJ Blandin, JL Soubeyroux - Acta materialia, 2006 - Elsevier
The homogeneous deformation of a zirconium-based bulk metallic glass is investigated in
the glass transition region. Compression tests at different temperatures and strain rates have …

Yielding and intrinsic plasticity of Ti–Zr–Ni–Cu–Be bulk metallic glass

J Fornell, A Concustell, S Suriñach, WH Li… - International journal of …, 2009 - Elsevier
Bulk metallic glass with composition Ti40Zr25Ni8Cu9Be18 exhibits considerably high
compressive yield stress, significant plasticity (with a concomitant vein-like fracture …

Structural evolutionary behavior of Zr-based bulk metallic glasses under thermoplastic deformation

W Zhang, P Tao, Y Chen, J Si, Z Long, S Huang, H He… - Intermetallics, 2023 - Elsevier
Abstract Zr 55· 7 Cu 22· 4 Al 14.7 Ni 7.2 alloy rods with a diameter of 3 mm were prepared by
copper mold suction casting. The microstructure, thermomechanical properties and high …

Structural relaxation and nanoindentation response in Zr–Cu–Ti amorphous thin films

HS Chou, JC Huang, LW Chang, TG Nieh - Applied Physics Letters, 2008 - pubs.aip.org
Ternary Zr–Cu–Ti system, especial with a high Ti content, is normally difficult to be fully
vitrified. In this paper, we demonstrate that cosputtering can produce amorphous Zr–Cu–Ti …

Effect of high temperature deformation on the deformation behavior and thermodynamic properties of a Zr-based bulk amorphous alloy

P Tao, W Zhang, Y Chen, J Si, K Zhu, Z Huang… - Journal of Alloys and …, 2022 - Elsevier
Abstract Zr 55.7 Cu 22.4 Ni 7.2 Al 14.7 alloy rods with a diameter of 3 mm were prepared by
copper mold suction casting. The structure, thermodynamic properties and plastic …