ECH 210 –Materials Science and EngineeringAssignment 02,
Spring Semester 2021due Monday (2/8)9:05 AM1.If the atomic radius of aluminum is 0.143 nm,
calculate
(a) the volume of its unit cell in mm3, (b) its theoretical density, and
(c) compare its calculated density in part
(b) with the experimental value inside the front cover of our textbook.
2.Calculate the atomic packing factor of pure copper at room temperature.
3.Determine the indices for directions Cand D.
Determine the Miller indices for planes Aand B.
5.Determine the indices of (a) the direction and (b) the plane.Problem 5(a) Problem 5(b)
6.Compute the linear densities of atoms for [1 1 0] and [1 1 1] for tungsten.
7.Computer the planar densities of (1 0 0) and (1 1 0) for nickel.
8.Calculate (a) the angle between ]011[and ]111[, and (b) the interplanar spacing for the (1 1 0) and (2 2 1) setsof planesfor pure gold
