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← ScienceWhich outcome occurs when interstitial alloying disrupts regular spacing in a metal lattice?
A)Reduced grain boundary diffusion rate
B)Increased dislocation pinning effect✓
C)Elevated superconducting transition temperature
D)Decreased thermal energy absorption
💡 Explanation
Alloying introduces lattice strain via the mechanism of solid solution strengthening, because atoms of different sizes distort the lattice spacing. Therefore, dislocation movement is hindered, and metal strength increases rather than other phenomena related to electronic band structure.
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