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Microstructure-Properties - Materials Science and Engineering

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21<br />

Objective<br />

Linear<br />

Ferromagnets<br />

Non-linear<br />

properties<br />

Electric.<br />

Conduct.<br />

Tensors<br />

Elasticity<br />

Symmetry<br />

Cubic crystals: anisotropy factor<br />

• If one applies the symmetry elements of<br />

the cubic system, it turns out that only<br />

three independent coefficients remain: C 11 ,<br />

C 12 <strong>and</strong> C 44 , (similar set for compliance).<br />

From these three, a useful combination of<br />

the first two is<br />

C' = (C 11 - C 12 )/2<br />

• See Nye, Physical <strong>Properties</strong> of Crystals

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