Geometric theory of defects in solids
Geometric theory of defects in solids
Geometric theory of defects in solids
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Dislocations<br />
L<strong>in</strong>ear <strong>defects</strong>:<br />
2<br />
x<br />
2<br />
x<br />
3<br />
1<br />
x<br />
x<br />
Edge dislocation<br />
b<br />
3<br />
x<br />
b<br />
1<br />
x<br />
Screw dislocation<br />
b<br />
- Burgers vector<br />
Po<strong>in</strong>t <strong>defects</strong>:<br />
Vacancy<br />
i<br />
u<br />
( x)<br />
⎧<br />
⎨<br />
⎩<br />
is cont<strong>in</strong>uous = elastic deformations<br />
is not cont<strong>in</strong>uous = dislocations<br />
3
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