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Thermocyclic Lifetime Prediction

Institute of Materials Research

For testing of thermal barrier coatings and oxidation protection coatings several computer controlled thermo cyclic rigs are available with testing temperatures up to 1200°C and rapid cooling to room temperature. Samples or parts are moved into the hot furnace, held at temperature for a pre-defined time, and than cooled down rapidly in moving air to RT. Typical lifetimes for 1h cycles at 1100°C (50 min heating/10min cooling) are between 500 to 3000hrs.

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