Research Article
Spark Plasma Sintered Si3N4/TiN Nanocomposites Obtained by a Colloidal Processing Route
Table 1
Density and mechanical properties of sintered nanocomposites at 1800°C/100 MPa.
| Sample | Density (g/cm3) | Hardness (GPa) | Flexural strength (MPa) | Fracture toughness (MPam1/2) |
| Si3N4-TiN 1800°C/100 MPa/2 min | 3.58 | 19.7 ± 0.8 | 415 ± 34 | 2.5 ± 0.3 | AY-Si3N4-TiN 1800°C/100 MPa/2 min | 3.59 | 17.2 ± 0.8 | 519 ± 25 | 4.7 ± 0.3 | AY-Si3N4-TiN 1800°C/100 MPa/10 min | 3.56 | 15.8 ± 0.9 | 623 ± 18 | 5.5 ± 0.4 |
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