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← ScienceWhich consequence results when a metal's crystal lattice contains excessive interstitial atoms?
A)Increases overall material brittleness✓
B)Increases the ductile fracture toughness
C)Facilitates electron superconductivity pairing
D)Enhances single crystal yield strength
💡 Explanation
Excessive interstitial atoms within a crystal lattice impede dislocation motion which causes work hardening, because introducing that strain hardens the material; therefore strength decreases to tensile strain rather than ductile strength, rather than facilitating dislocation slip.
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