Which risk increases when a turbine blade's gamma prime (γ') precipitates coarsen in the nickel-based superalloy lattice?

💡 Explanation

Reduced creep resistance occurs because γ' precipitate coarsening decreases dislocation pinning, driving creep via grain boundary sliding rather than plastic deformation of precipitates. Therefore, creep resistance lowers; rather than increased oxidation because precipitate coarsening primarily affects mechanical properties.

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