2. Modified service life

The standard NF ISO 281 defines correction coefficients which enable the calculation of predicted theoretical service life to be refined according to actual conditions of use.

The modified life $L_{m}$ is expressed as follows :

L_{m} = a_{1} q_{iso} L_{}

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Sources bibliographiques

(1) - BOUSSINESQ (J.) - Application des potentiels à l'étude de l'équilibre et du mouvement des solides élastiques . - Éd. A Blanchard, Paris, chap. 5, p. 230-255 (1885).
(2) - HERTZ (H.) - Le mémoire de Hertz...

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