Crystal defects
6 practice questionsEngineering MaterialsStep-by-step solutions
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1
A missing atom at a lattice site is which type of point defect?
A.Vacancy
B.Dislocation
C.Grain boundary
D.Interstitial cluster
2
An extra partial plane of atoms inserted into a crystal lattice is which type of defect?
A.Vacancy
B.Edge dislocation
C.Substitutional impurity
D.Grain boundary
3
The line defect whose motion enables plastic deformation in metals is a:
A.Vacancy
B.Dislocation
C.Grain boundary
D.Interstitial atom
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