HW3 ENME382 S10 Section0201 solution

HW3 ENME382 S10 Section0201 solution - ENME 382 1 Callister...

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1 ENME 382 Homework 3 Solutions Spring 2010 1. Callister 3.27 Within a cubic unit cell, sketch the following directions: (a) [10 2 ] , (c) [ 2 12] , (b) [3 1 3] , (d) [301] . Callister’s Solution Dr. Lloyd’s solutions: (a) [10 2 ] Blue clear common multiplier: 2 intercepts: ½ a 0b -1c (b) [3 1 3] Orange clear common multiplier: 3 intercepts: 1a -1/3b 1c (c) [ 2 12] Yellow clear common multiplier: 2 intercepts: -1a 1/2b 1c (d) [301] Black dotted clear common multiplier: 3 intercepts: 1a 0b 1/3c
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2 2. Callister 3.29 For tetragonal crystals, cite the indices of directions that are equivalent to each of the following directions: (a) [011] (b) [100] Callister’s Solution For tetragonal crystals a = b c and α = β = γ = 90 ° ; therefore, projections along the x and y axes are equivalent, which are not equivalent to projections along the z axis. (a) Therefore, for the [011] direction, equivalent directions are the following: [101], [ 1 0 1 ], [ 1 01], [10 1 ], [01 1 ], [0 1 1], and
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HW3 ENME382 S10 Section0201 solution - ENME 382 1 Callister...

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