Actions for Faceting of high angle grain boundaries in the coincidence lattice

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Faceting of high angle grain boundaries in the coincidence lattice

Author
Wagner, W. R.
Published
United States : [publisher not identified], 1973.
[Oak Ridge, Tennessee] : [U.S. Atomic Energy Commission], 1973.
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Balluffi, R. W. and Tan, T. Y.

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Summary
Faceting of high angle grain boundaries in SIGMA = 3 and SIGMA = 5 coincidence lattices of the fcc structure was studied using thinfilm bicrystal specimens of controlled geometry. A number of relatively high index boundaries in the coincidence lattices (containing relatively low planar densities of coincidence sites) was found to break up into low energy facets corresponding to low index planes of the coincidence lattices (containing high densities of coincidence lattice sites). These results are consistent with a general expectation that the grain boundary energy decreases as the planar density of coincidence sites increases, i.e., the two-dimensional periodicity of the boundary becomes shorter, and long-ranged distortions are reduced. (auth)
Report Numbers
COO-3158-25
Other Subject(s)
Collection
U.S. Atomic Energy Commission depository collection.
Note
DOE contract number: AT(11-1)-3158
NSA number: NSA-29-031641
OSTI Identifier 4304276
Research organization: Cornell Univ., Ithaca, N.Y. (USA). Materials Science Center.
View MARC record | catkey: 44536810