Shear Sliding-off Fracture of Bulk Amorphous Zr-Based Alloys Containing Nanoscale Compound Particles

Initiation and propagation of shear bands in Zr-based bulk metallic glass under quasi-static and dynamic shear loadings

“…Under tensile load, however, it is found that the tensile angle, h T , between the tensile axis and the fracture plane is larger than 45°. In most cases, h T is in the range 50-65°with an average value of 56° [32][33][34]. Simultaneously, the deformation and fracture behavior of metallic glasses at room temperature have an obvious strain rate effects.…”

Effect of strain rates on the fracture morphologies of Zr-based bulk metallic glasses

“…It is very important from materials science and engineering application points of view to clarify the mechanical failure characteristics at various strain rates because many components experience various mechanical loading in tension or compression during service, which causes the materials to deform at various strain rates. Many researchers [5][6][7][8][9] have studied the fracture surface morphology in Zr-based or Cubased bulk metallic glasses in a compressive deformation mode at strain rates of about 10 À4 s À1 . Bruck et al [10] mentioned the fracture morphology of dynamic compression in Zr-based bulk metallic glass at strain rates from 10 2 s À1 to 10 4 s À1 .…”

Microstructure Feature of Bulk Glassy Cu<SUB>60</SUB>Zr<SUB>30</SUB>Ti<SUB>10</SUB> Alloy in As-cast and Annealed States

“…For example, the mechanical properties have been improved by homogeneous dispersion of nanoscale compound particles into glassy matrix in Zrbased and Al-based glassy alloys. [1][2][3][4][5][6][7][8][9] This finding has generated considerable research interest in developing nanocomposites in glassy alloys by heat-treatment prior to crystallization and studying the microstructure feature of nanocomposite because the microstructure evolution before and after heat treatment is an important factor in understanding the crystallization mechanism and the relationship between microstructure and property. However, little has been reported about the microstructure feature in bulk glassy crystalline composites in as-cast state and annealed at the temperature near T g .…”