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A4T - Politecnico di Milano

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Probability<br />

0.99<br />

0.96<br />

0.90<br />

0.75<br />

0.50<br />

0.25<br />

0.10<br />

0.05<br />

0.02<br />

0.01<br />

<strong>A4T</strong> Interrupted tests 23<br />

10 1<br />

Weibull Probability Plot<br />

10 2<br />

crack size [m]<br />

S=320 MPa 5E5 cycles (Interrupted)<br />

Weibull <strong>di</strong>stribution W30<br />

Weibull <strong>di</strong>stribution W61<br />

S=320 MPa 1E6 cycles (Interrupted)<br />

Weibull <strong>di</strong>stribution W58<br />

S=320 MPa 1.5E6 cycles (Interrupted)<br />

Weibull <strong>di</strong>stribution W22<br />

S=320 MPa 10E6 cycles (Broken)<br />

10 3<br />

Dipartimento <strong>di</strong> meccanica<br />

Probability<br />

0.99<br />

0.96<br />

0.90<br />

0.75<br />

0.50<br />

0.25<br />

0.10<br />

0.05<br />

0.02<br />

0.01<br />

10 1<br />

Weibull Probability Plot<br />

10 2<br />

crack size [m]<br />

Weibull <strong>di</strong>stribution W29<br />

S=400 MPa 2E5 cycles (Interrupted)<br />

Weibull <strong>di</strong>stribution W28<br />

S=400 MPa 5E5 cycles (Interrupted)<br />

Weibull <strong>di</strong>stribution W21<br />

S=400 MPa 2E6 cycles (Broken)<br />

10 3

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