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.

SampleDensity
(g/cm3)
Hardness
(GPa)
Flexural strength
(MPa)
Fracture toughness
(MPam1/2)

Si3N4-TiN 1800°C/100 MPa/2 min3.5819.7 ± 0.8415 ± 342.5 ± 0.3
AY-Si3N4-TiN 1800°C/100 MPa/2 min3.5917.2 ± 0.8519 ± 254.7 ± 0.3
AY-Si3N4-TiN 1800°C/100 MPa/10 min3.5615.8 ± 0.9623 ± 185.5 ± 0.4