1. Show that the axial ratio of a hcp unit cell is equal to 1.633 and also prove that atomic packing
factor for fcc and hcp unit cells are same.
2. With illustrations, explain with some real examples the cases of line defect (edge dislocation and screw dislocation) or surface defect (grain boundary, twin boundary and stacking fault)
**********************(last date for submission 07.09.2015)***************************
factor for fcc and hcp unit cells are same.
2. With illustrations, explain with some real examples the cases of line defect (edge dislocation and screw dislocation) or surface defect (grain boundary, twin boundary and stacking fault)
**********************(last date for submission 07.09.2015)***************************
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