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Which outcome results when lattice defects occur in turbine blades?

A)Decreased fatigue life expectancy
B)Improved thermal conductivity rate
C)Increased creep resistance margins
D)Enhanced surface oxidation resistance

💡 Explanation

Decreased fatigue life results because dislocation pinning, a type of point defect interaction, allows local stress risers to initiate crack growth; therefore, fatigue life is reduced rather than thermal properties being boosted or creep minimized with lattice defects.

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