MSE405-505 2012C Final Exam

E dislocation forest cutting hint use the maximum

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Unformatted text preview: me the material is elastically isotropic with shear modulus µ, Poisson’s Ratio ν, and Burgers vector b. (a) Derive a relationship for the misorientation angle θ of the boundary as a function of dislocation spacing s and Burgers vector b. Assume a small misorientation angle. 3 (b) Write an expression for the complete strain energy of a single and entirely isolated edge dislocation. Assume a crystal size of R and a cutoff size (lower integration limit) of b. (c) Consider the full array of dislocations comprising the grain...
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