Question: 3.12 Zirconium has an HCP crystal structure and a density of 6.51 g/cm. (a) What is the volume of its unit cell in cubic

3.12 Zirconium has an HCP crystal structure and a density of 6.51 g/cm. (a) What is the volume of its unit cell in cubic meters? (b) If the c/a ratio is 1.593, compute the values of c and a. 3.56 (a) Derive linear density expressions for FCC [100] and [111] directions i radius R. (b) Compute and compare linear density values for these same two direction 3.66 The metal iridium has an FCC crystal structure. If the angle of diffractio planes occurs at 69.22 (first-order reflection) when monochromatic wavelength of 0.1542 nm is used, compute (a) the interplanar spacing for (b) the atomic radius for an iridium atom. 4.4 Calculate the number of vacancies per cubic meter in iron at 850C. 7 formation is 1.08 eV/atom. The density and atomic weight for Fe are g/mol, respectively. 4.17 What is the composition, in atom percent, of an alloy that contains 99.7 1 and 2.1 lbm lead?

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A 312 a The volume of an HCP unit cell is given by V 43a2c where a and c are the lattice parameters Therefore the volume of an HCP unit cell in cubic ... View full answer

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