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6. Plastic deformation in metals can only take place when: a. Slip occurs by dis

ID: 2086859 • Letter: 6

Question

6. Plastic deformation in metals can only take place when: a. Slip occurs by dislocation movement. b. The metal is heated c. Metals are alloyed with others that have smaller atoms. d. The rows of atoms in the lattice are perfectly arranged. 7. A crystallographic plane described by the Miller Indices (1 2 0) would have x, y, z axial intercepts equal to: a. 1, 2, o d. 1, 2, C e. None of the above. If high thermal conductivity was required and strength was not of concern, which of the following material conditions would be most desired? a, 50% Reduction-cold rolled, pure metal 'X' b. Annealed, alloy of the pure metal above 85X+.15Y c. Annealed, pure metal 'X d, 50% Reduction-cold rolled, alloy of the pure metal above . .85Xt.1sy 8. ul to ?8 x 106 psi, and

Explanation / Answer

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6. option a

7. option b because miller indices for plane is the reciprcal of the intercepts

8. option b

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