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// Scilab Code Ex5.21 Determining tilt angle from dislocation spacing in the boundary of Cu: Page-188 (2010)
a = 3.61e-010; // Lattice parameter of Cu, m
b = a/sqrt(2); // Burger vector magnitude for fcc Cu, m
h = 1.5e-06; // The vertical spacing between two neighbouring edge dislocations, m
tan_theta = atand(b/h)*(%pi/180); // tangent of tilt angle between two tilt boundaries of Cu, radian
printf("\nThe tilt angle between two tilt boundaries of Cu = %3.1e radian", theta);
// Result
// The tilt angle between two tilt boundaries of Cu = 1.7e-004 radian
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