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Fatigue propagation stage

The second part of the investigation was directed toward the understanding of the crack propagation stages. Two questions were especially addressed (i) the determination of the transition from fatigue to brittle fracture (ii) the determination of the crack arrest conditions. Within the frame of linear elastic fracture mechanics, such an analysis requires the... [Pg.59]

During fatigue in stage I, the fabric composite transverse cracks initiate and propagate along the transverse threads in the warp direction. The... [Pg.165]

Liu et al. (2002) studied the influence of different inhibitors on the fatigue propagation crack rate in high strength aluminum alloy AA7075-T76, in a 3.5% NaCl solution These authors observed, in the presence of phosphate, molybdate, citrate or thiazole/imidazole, a reduction in the rate of crack growth, mainly in the first stages of its propa tion, as a consequence of the diverse mechaiusms of inhibition of each of the used compounds. [Pg.104]

Fracture Mechanics. Linear elastic fracture mechanics (qv) (LEFM) can be appHed only to the propagation and fracture stages of fatigue failure. LEFM is based on a definition of the stress close to a crack tip in terms of a stress intensification factor K, for which the simplest general relationship is... [Pg.90]

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See also in sourсe #XX -- [ Pg.338 , Pg.339 , Pg.340 , Pg.341 , Pg.342 , Pg.343 ]



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Fatigue propagation

Fatigue stage

Propagation stage

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