what are the design changes that can be done to limit creep failure and what would be practical if limiting creep on turbine engines

It is possible to limit or prevent creep if you utilize materials that have higher melting points than what they will be exposed to. If you were to replace material made from steel or aluminum and replaced them with a tungsten or ceramic type material would provide the reduction in operating temperatures needed. If you were to increase the grain size of the material, and alloying would also aid the reduction of creep. Within an engine it is not practical to reduce operating temperatures however if you were to utilize higher temperature materials and forging components with larger grains it would reduce the creep as well.

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