Fabrication and mechanical characterization of a series of plastic Zr-based bulk metallic glass matrix composites

Coupling the high yielding strength with enhanced plasticity under compression at ambient temperature, a series of Zr-based bulk metallic glass matrix composites are designed based on a pseudo ternary phase diagram. The largest compressive fracture plastic strain of 17.0% with the yielding strength of 1070 MPa is available for Zr60.0Ti14.7Nb5.3Cu5.6Ni4.4Be10.0 bulk metallic glass matrix composite. The relationship between the cooling rate and the microstructure, the microstructure and the mechanical properties, and the fractographs of the composites is carefully identified.