Saturday, 26 March 2016

Body centred cubic (BCC)

The unit cell of BCC system has an atom at each corner, which are shared by the adjoining eight cubes and one at the body centre. Obviously, each unit cell share 8 atoms one on each of its corners in additions to one atom at the body centre. Hence

The share of each cube = 8 corners x 1/8 + 1 centre x 1 = 2
Number of atoms per unit cell = 2 atoms
Atomic radius = r = 

EXCr,Fe(α), W, Tantalum, Molybdenum 

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