Homework 3 Solutions

Homework 3 Solutions - Homework#3 Solutions Question 3.17...

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Homework #3 Solutions Question 3.17 What are the closest-packed directions in (a) the BCC structure, (b) the FCC structure and (c) the HCP structure? Answer 3.17 (a). The closest-packed directions in BCC lattice are the 111 directions. (b). The closest-packed directions in the FCC lattice are the 110 directions. (c). The closest-packed directions in the HCP lattice are the 112 0 directions. Question 3.18 Identify the close-packed planes in (a). the BCC structure, (b). the FCC structure. (c). the HCP structure. Answer 3.18 (a). {110} planes (b). {111} planes (c). {0001} planes Question 3.30 Answer 3.30 b).

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Question 3.31 Draw the following directions in a BCC unit cell and list the position coordinates of the atoms whose centers are intersected by the direction vector: (a) [100] (b) [110] (c) [111] Answer 3.31 Question 3.38 What are the directions of the 111 family or form for a unit cube? Answer 3.38 [111] , [1 1 1 ] , [11 1],[1 11 ],[1 11],[11 1 ],[111 1 1] Question 3.40 What 111 -type directions lie on the (110) plane of a cubic unit cell?
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This note was uploaded on 03/01/2010 for the course MSE MSE 150 taught by Professor Dorothy during the Spring '10 term at Aarhus Universitet, Aarhus.

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Homework 3 Solutions - Homework#3 Solutions Question 3.17...

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