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"02-slide-stas.pdf" (7921K) - Universidad de Las Palmas de Gran ...

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Galgas Extensométricas<br />

Ley <strong>de</strong> Poison<br />

– Pieza <strong>de</strong> longitud l y dimensión transversal t<br />

– µ es el coeficiente <strong>de</strong> Poison [0,0.5]<br />

• 0,17 fundición maleable<br />

• 0,303 acero<br />

• 0,33 aluminio y cobre<br />

µ = −<br />

dt<br />

t<br />

dl<br />

l<br />

;<br />

05/10/2004 Transductores Resistivos 27

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