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Období 1940 - 1960

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Období <strong>1940</strong> - <strong>1960</strong><br />

Irwin – počátky lomové mechaniky<br />

k 2π<br />

=<br />

K I<br />

faktor intenzity napětí<br />

lomová houževnatost<br />

hnací síla trhliny<br />

odpor trhliny proti šíření<br />

K I = σ π.a<br />

10:17 22

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