In the case that c a 2 the crystal structure is fcc

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Unformatted text preview: are given by: a = a ex b = a ey ⎛1 1 c1 ⎞ c = a ⎜ ex + e y + e 2 a 2 z⎟ ⎝2 ⎠ In the case that c a = 1 , the crystal structure is BCC. In the case that c a = 2 , the crystal structure is FCC. Note that this condition is obtained by stretching the crystal in the z- direction. The Bain transformation is the path by which BCC converts to FCC through and elongation along an 001 direction. As the crystal is stretched along ⎡001⎤ , for example, the crystal...
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