Question

Derive Eqs. (2-96) and (2-97), and submit on paper with handwriting . due date: 1 week after announcement For a cubic crystal structure Su + S12 CII = (Sii-S12)(S11 + 2512) Sı2 (2-96) 12 CAA The modulus of elasticity in any direction of a cubic crystal (described by the direction cosines I, m, n) is given by

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