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15 cards from this deck
Organised arrangements of atoms in metals
Structural imperfections in crystal lattice
Imperfections at individual atomic positions in crystal
Smallest scale of defects in crystalline materials
Zero-dimensional (occur at specific atomic positions)
Strength, hardness, and ductility
Atoms missing from expected positions in crystal lattice
Surrounding atoms distort inward to fill the gap
Foreign atoms replace parent atoms in lattice positions
Create compressive stress, increase hardness, reduce ductility
Generate tensile stress, soften material, increase deformation
Foreign atoms occupy spaces between normal atomic positions
Increase hardness, reduce ductility, make material more brittle
Regular atomic bonding patterns within crystal structure
Unpredictable mechanical properties, unsuitable for critical use
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