Introduction
Materials, Methods, and Characterization
Modeling
Raw Materials
Density (% φ
th) | Flexural strength (MPa) | Young modulus (GPa) | Hv (GPa) | KIC (MPa √m) | Thermal conductivity (W/m K) | Thermal shock resistance ΔT (°C) | Coefficient of thermal expansion (10−6/°C) |
---|---|---|---|---|---|---|---|
99 | 550–700 | 400 | 20.7 | 7–9 | 35 | 1000 | 6.8 |
Spark Plasma Sintering
Microstructural Characterization
Mechanical Properties
Machining Testing Conditions
Results and Discussion
Density (% φ
th) | Hardness, Hv | Toughness, KIC (MPa √m) | Life time of cutting inserts, τ, s | Wear major flank, h (mm) | |
---|---|---|---|---|---|
Standard disk | 99 | 2165 | 7.80 | 2.8 | 0.51 |
Near-net shape | 99 | 2198 | 7.83 | 3 | 0.48 |