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Unformatted text preview: that will produce an elastic reduction of 2.5E3mm in the diameter. 6. Calculate the shear modulus of aluminum from the values of its Young’s modulus and Poisson’s ratio. Is it close to the experimental value? Questions for thought: 1) A rod, 1 cm in diameter, is made of three segments: 30cm Cu, 30cm Al, 30cm Cu. What is approximately the effective Modulus of Elasticity of the piece? Use data from book. Plot the stressstrain curve for the structure in the elastic regime vs those of Cu and Al. 2) Determine the Burgers vector at two points of a dislocation loop in the (001) plane of a simple cubic lattice, where the dislocation loop encloses an extra portion of the plane (an island). Page 1 of 2 Prof. Rabin: [email protected] ; X53382; CHE 1110B Page 2 of 2 3) Same as before, except where the dislocation loop encloses a missing portion of the plane (a circular cluster of vacancies)....
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 Spring '11
 AlSheikhly
 Tensile strength, Cubic crystal system, dislocation loop, Prof. Rabin

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