Research Article
The Simulation on Temperature and Thermal Stress of Leakage Current Particulate Matter Sensor on Diesel Engine
Table 3
Material attribute of PM sensor.
| | Material | Thermal conductivity (W(m·k)-1) | Thermal expansion coefficient (1/K) | Yield strength (MPa) |
| 1 | 304 stainless steel | 16 | | 205 | 2 | 95 porcelain | 22.4 | | 500 | 3 | Copper | 398 | | 290 | 4 | Magnesium oxide & aluminum powder | 33 | | — | 5 | Polytetrafluoroethylene | 0.244 | | 24 |
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