Abstract

Zr 65Al 10Ni 10Cu 15 metallic glass matrix composites (MGMC) reinforced with diamond particles were fabricated using a pulsed current sintering process. The thermal stability, microstructure and mechanical properties of the sintered bulk MGMC were investigated. The pulsed current sintered composites not only showed nearly full relative density, but also thermal stability similar to that of the initial metallic glass powders. The addition of diamond particles increased the strength which was further improved as the volume fraction increased up to ∼10%. This corresponds to the change in fracture pattern of metallic glass after reinforcing with diamond particles.

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