From: Optimization of wear loss in silicon nitride (Si3N4)–hexagonal boron nitride (hBN) composite using DoE–Taguchi method
Designation
Purity (%)
Density (g/cc)
Max service temp. (°C)
Avg. surface roughness Ra (μm)
Alumina (Al2O3)
99.8
3.90
1800
1.791