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Details
Interface planes and the misorientation axis are specified in terms of Miller Indicies (positive integers), where (uvw) is given as u>v>w. For precise definitions of terms, see "Measurement of Grain Boundary Geometry" by V. Randle, 1993.
Symmetric interfaces are those with two equivelent interface plane orientations.
Interfaces having random misorientations that are not commensurate are assigned Σ=0.
Support provided by ONR, NASA, AFOSR, NSF and Cornell University
Created by Nathaniel Erwin, Eugene Wang, Aaron Osysko, and Derek Warner
Maintained by Bruce Carter and the Cornell Fracture Group
Contact: dhw52@cornell.edu