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Cours-Proprietes-mecaniques-des-materiaux

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Remarque sur les unités<br />

force (F ou T) N (Newton)<br />

surface S<br />

Contrainte σ<br />

= force / surface<br />

Déformation ε<br />

= variation de longueur<br />

/ longueur (ΔL/L)<br />

m 2<br />

N.m -2 ou Pa<br />

(Pascal)<br />

sans dimension

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