Thermal Expansion Coefficients: alumina_al2o3
Coefficient of linear thermal expansion (CTE, alpha) as a function of temperature for common engineering materials — steels, stainless steels, aluminum alloys, titanium, nickel superalloys, copper alloys, ceramics, and polymers at temperatures from -200C to 2000C (material-dependent)
| material | temperature C | CTE 1e6 per C (1e-6/C) | material category | mean CTE from 20C 1e6 per C (1e-6/C) | notes |
|---|---|---|---|---|---|
| alumina_al2o3 | 20 | 8.1 | ceramic | 8.1 | Alumina Al2O3 99.5% purity — reference temperature; strong directional bond |
| alumina_al2o3 | 100 | 8.3 | ceramic | 8.2 | Alumina Al2O3 99.5% |
| alumina_al2o3 | 300 | 8.6 | ceramic | 8.4 | Alumina Al2O3 99.5% |
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