Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1500753 | Scripta Materialia | 2010 | 4 Pages |
Abstract
A tantalum carbide powder was consolidated by spark plasma sintering. The specimens were processed under various temperature and pressure conditions and characterized in terms of relative density, grain size, rupture strength and hardness. The results are compared to hot pressing conducted under similar settings. It is shown that high densification is accompanied by substantial grain growth. Carbon nanotubes were added to mitigate grain growth; however, while increasing specimens’ rupture strength and final density, they had little effect on grain growth.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
Evan Khaleghi, Yen-Shan Lin, Marc A. Meyers, Eugene A. Olevsky,