Thermal Expansion Coefficients: invar_36
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 |
|---|---|---|---|---|---|
| invar_36 | -200 | 0.8 | steel | 1 | Invar 36 (FeNi36); anomalously low CTE near room temp due to magnetostriction |
| invar_36 | -100 | 1 | steel | 1.1 | Invar 36; low CTE region |
| invar_36 | 0 | 1.2 | steel | 1.2 | Invar 36 |
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