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FATICA OLIGOCICLICA

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<strong>FATICA</strong> <strong>OLIGOCICLICA</strong><br />

Graficando in scala<br />

logaritmica questo<br />

risultato si ottiene<br />

la figura accanto.<br />

In termini analitici<br />

si ricava l’equaziol<br />

equazio-<br />

ne di Manson-Coffin<br />

∆ε<br />

=<br />

2<br />

σ<br />

'<br />

f<br />

E<br />

b '<br />

( 2N<br />

) + ε ( 2N<br />

) c<br />

f<br />

Fatica Oligociclica<br />

Costruzione di Macchine 3<br />

22

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