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Unformatted text preview: C. 5. Some hypothetical alloy has an atomic weight of 184.4 g/mol, a density of 12.30 g/cm 3 , and an atomic radius of 0.146 nm. Determine whether its crystal structure is FCC, BCC, or simple cubic. Justify your determination. 6. Magnesium has an HCP crystal structure, a c/a ratio of 1.624, and a density of 1.74 g/cm 3 . Compute the atomic radius for Mg. Problems 7 and 8 Problem 9 Problem 10 7. The unit cell for a hypothetical metal is shown. (a) To which crystal system does this unit cell belong? (b) What would this crystal structure be called? (c) Calculate the density of the metal if its atomic weight is 141 g/mol. 8. What are the indices for the direction indicated by the vector in the unit cell? 9. (a) Determine the Miller indices for planes A and B shown. (b) What are the indices for the vectors representing the normals to the planes? (c) What is the angle between the two normals in part (b)?...
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This note was uploaded on 01/07/2012 for the course MECH 210 taught by Professor Hsu during the Fall '08 term at CSU Chico.
- Fall '08