Research Article
Friction Characteristics of Synchronization Process Based on Tribo-Thermodynamics
Table 1
Primary material parameters.
| Parameters (room temperature) | 45 Steel | QSn4-3 |
| Density ρ (kg·m−3) | 7890 | 8800 | Elastic modulus E (GPa) | 209 | 1100 | Poisson ratio (μo) | 0.27 | 0.33 | Thermal conductivity λ (W·m−2·K−1) | 48.15 | 47 | Specific heat capacity c (J·kg−1·K−1) | 450 | 380 | Thermal expansion coefficient (1°C−1) | 1.08e−5 | 1.8e−5 |
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