G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 3/00 (2006.01) G01B 21/20 (2006.01)
Patent
CA 2645216
The invention concerns a method for characterizing the endurance limit of a part from the state of its surface including the following steps: reading geometrical data describing the surface profile of the zone the endurance limit of which is to be determined, applying said data to a computing model so as to work out an estimate of the field of mechanical stresses in said zone of said part, deducing from said estimate of thee field of stresses at least one quantity characteristic of the endurance behaviour of the part.
Un procédé de caractérisation de la tenue en fatigue d'une pièce à partir de son état de surface comporte les étapes suivantes : on relève des données géométriques décrivant le profil de surface de la zone dont la tenue en fatigue doit être déterminée, on applique ces données à un modèle de calcul en sorte d'élaborer une estimation du champ des contraintes mécaniques dans ladite zone de ladite pièce, on déduit de cette estimation du champ des contraintes au moins une grandeur caractéristique du comportement en fatigue de la pièce.
Cheiragatti Remy
Espinosa Christine
Mabru Catherine
Surarachai Monchai
Vergnes Vivian
Airbus France
Airbus Operations Sas
Riches Mckenzie & Herbert Llp
LandOfFree
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