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

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 tri...

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Bibliographic Details
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
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Summary: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.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2012.10.067