Mechanical behaviors of diamond reinforced Ti-based bulk metallic glassy composites prepared by spark plasma sintering

• Published in: Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2013-01, Vol.560, p.841-846
• Main Authors: Wang, D.J., Huang, Y.J., Wu, L.Z., Shen, J.
• Format: Article
• Language: English
• Subjects: Amorphous materials; Bulk amorphous alloys; Condensed matter: structure, mechanical and thermal properties; Cross-disciplinary physics: materials science; rheology; Diamonds; Exact sciences and technology; Glasses (including metallic glasses); Hardness; Materials science; Mechanical and acoustical properties of condensed matter; Mechanical properties; Mechanical properties of solids; Other materials; Physics; Powder Metallurgy; Sintering; Spark plasma sintering; Specific materials; Titanium; Tribology; Tribology and hardness; Wear
• ISSN: 0921-5093; 1873-4936
• DOI: 10.1016/j.msea.2012.10.067

Ti-based bulk metallic glasses (BMGs) and diamond-reinforced composites were fabricated using spark plasma sintering technique. Compared with the as-cast and sintered BMGs, the composite exhibited enhanced hardness and fracture strength. Moreover, an inverse relation between the hardness and the tribological performance was noted, i.e. the sintered BMG had stronger wear resistance than the other samples for long distance sliding. The tribological mechanisms were further studied in detail and the results showed that the mechanical property of the BMG/composite could be designed and obtained for their engineering application by powder metallurgy method.