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Microstructure-Properties - Materials Science and Engineering

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27<br />

Objective<br />

Linear<br />

Ferromagnets<br />

Non-linear<br />

properties<br />

Electric.<br />

Conduct.<br />

Tensors<br />

Elasticity<br />

Symmetry<br />

Anisotropy in terms of moduli<br />

• Another way to write the above equation is to<br />

insert the values for the Young's modulus in<br />

the soft <strong>and</strong> hard directions, assuming that<br />

the are the most compliant<br />

direction(s). (Courtney uses α, β, <strong>and</strong> γ in<br />

place of my α 1 , α 2 , <strong>and</strong> α 3 .) The advantage of<br />

this formula is that moduli in specific<br />

directions can be used directly.<br />

1<br />

E uvw<br />

= 1<br />

E 100<br />

"<br />

! 3#<br />

$<br />

1<br />

E 100<br />

&<br />

E111' ( 2 2 2 2 2 2<br />

1(<br />

2 + (2(<br />

3<br />

+(3 (1<br />

! 1<br />

%<br />

( )

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