Effect of infiltrating time on interfacial reaction and properties of tungsten particles reinforced Zr-based bulk metallic glass composites

Abstract

B ulk metallic glasses (BMGs) have many potential applications due to their unique properties, such as superior strength, high hardness, excellent corrosion resistance and high wear resistance [1]. In general, the plastic deformation of metallic glasses is localized in the narrow shear bands, followed by the rapid propagation of these shear bands and the catastrophic fracture without plasticity [2]. Many efforts have been focused on improving the ductility of BMGs by fabrication of BMG matrix composites [3-6]. To date, the bulk metallic glass composites (BMGCs) containing in-situ formed or/and ex-situ added crystalline phases have been developed [7,8]. The two categories of BMGCs exhibit enhanced plasticity due to the generation of multiple shear bands in the deformation process. In the ex-situ phase reinforced BMGCs, the second phase preform is placed in a mold, and subsequently, the melt is infiltrated into the preform. Herein, among

Influence of niobium and yttrium on plastic deformation energy and plasticity of Ti-based amorphous alloys

“…Researchers have developed many multi-component bulk amorphous alloys, for example, Pd-, Zr-, Fe-, Co-, Ni-, and Ti-based alloys [5][6][7][8] . However, the deformation characteristics of amorphous alloys result in very low room-temperature plasticity, limiting their application as structural materials [9] .…”