A fracture mechanics approach to thermal shock investigation in alumina-based refractory
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The thermal shock behavior of large grain size, alumina-based refractories was investigated experimentally using a standard water quench test. A mathematical model was employed to simulate the thermal stability behavior. Behavior of the samples under repeated thermal shock was monitored using ultrasonic measurements of dynamic Young's modulus. Image analysis was used to observe the extent of surface degradation. Analysis of the obtained results for the behavior of large grain size samples under conditions of rapid temperature changes is given.
Кључне речи:thermal chock / image analysis / fracture mechanics
Извор:AIP Conference Proceedings, 2008, 973, 443-448
- 9th International Conference on Multiscale and Functionally Graded Materials, FGM IX