Volumetric Defects Notes 9

Volumetric Defects Notes 9 - They coalesce to form a ledge....

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Models of ledge formation in a grain boundary. (Reprinted with permission from L. E. Murr, Interfacial Phenomena in Metals and Alloys (Reading, MA: Addison Wesley, 1975), p. 255.) Ledge Formation in Grain Boundary GB dislocations moving along the GB plane in the direction of the arrow.
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Unformatted text preview: They coalesce to form a ledge. Dislocations move from grain A through the boundary plane to grain B. The passage through the boundary results in heterogeneous shear of the boundary, forming a ledge. Friday, February 18, 2011...
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This note was uploaded on 11/16/2011 for the course EMA 4223 taught by Professor Mecholsky during the Spring '08 term at University of Florida.

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