Question

determine the miller-bravais direction indices of the basal plane of the vectors originating at the center of the lower basal plane and exiting at the midpoints between the principal planar axes.

and Amorphous Structure in Materials CHAPTER 3 Crystal a2 -dy di Figure P3.58 3.60 Determine the Miller- Bravais direction indices of the vectors originating at the 3.61 Determine the Miller-Bravais direction indices of the basal plane of the vectors 3.62 Determine the Miller-Bravais direction indices of the directions indicated in Fig. P3.62 center of the lower basal plane and ending at the endpoints of the upper basal plane as indicated in Fig. 3.16d. originating at the center of the lower basal plane and exiting at the midpoints between the principal planar axes. 3.63 The lattice constant for BCC tantalum at 20°C is 0.33026 nm and its density is 3.64 Calculate a value for the density of FCC platinum in grams pe 3.65 Calculate the planar atomic density in atoms per square millimeter for the 16.6 g/cm. Calculate a value for its relative atomic mass. from its lattice constant a of 0.39239 nm and its atomic mass of 195.09 g/mo following crystal planes in BCC chromium, which has a lattice constant of 0.20 r cubic centimeter nm: (a) (100), (b) (110), (c) (111). 3.66 Calculate the planar atomic density in atoms per square millimeter for the following crystal planes in FCC gold, which has a lattice constant of 0.40788 hiu (a) (100), (b) (110), (c) (011) 3.67 Calculate the planar atomic density in plane in HCP

Answer 1

402 0,34 3,04 ,3,3,4 303 3304 2 Ha Planes i> HcP unit cell ase common Cr identifieed of thsee Ihese HcP cxystol plane mdtes caled e indutes ase caue Miller- Bvarais ilices and a denoted by slnes Note that 10

The forth index epesents the c-axis which -L ' to the basa/ plane . tathce can be parmutet a, is relate o h nde,x a2 a i above case , the htercepts ase 3 3 4 Taki 3 0,3,4