| Issue |
Rev. Met. Paris
Volume 106, Number 4, April 2009
EnvironmentBlast Furnace Steelmaking Galvanizing Steel Use |
|
|---|---|---|
| Page(s) | 182 - 187 | |
| DOI | https://doi.org/10.1051/metal/2009031 | |
| Published online | 10 April 2009 | |
Method for identification of fluid mixing zones subject to thermal fatigue damage
High cycle thermal fatigue due to the mixing of hot and cold fluids may initiate cracking in pipes of safety related circuits. A method has been developed to identify such fluid mixing zones subjected to potential thermal fatigue damage. This method is based on a loading model and a mechanical model that depend on the main characteristics of the mixing zone and on the material properties. It is supported by a large experimental program. This method has been applied to all the mixing zones of safety related circuits of the EDF pressurised water reactors, allowing to identify sensitive zones and to apply an appropriate inspection program that ensures the control of the risk due to this damage mechanism.
© La Revue de Métallurgie, 2009
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