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(submitted by the website administration)
| Metal Matrix Composite MC-21 | ||||
| Composition: Aluminum alloy 359 + 20% SiC particles | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 2.85 *10³ | kg/m³ | 178 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 102.3 | GPa | 14800 | ksi |
| Tensile strength (T6) | 299 | MPa | 43370 | psi |
| Yield strength (T6) | 278 | MPa | 40320 | psi |
| Elongation (T6) | 0.43 | % | 0.43 | % |
| Hardness | 78 | HRB | 78 | HRB |
| Thermal expansion (20 ºC) | 19.0*10-6 | ºCˉ¹ | 10.6*10-6 | in/(in* ºF) |
| Thermal conductivity | 132 | W/(m*K) | 915 | BTU*in/(hr*ft²*ºF) |