PROCEDE DE DETERMINATION D'UNE CONTRAINTE ALTERNEE MAXIMALE ADMISSIBLE POUR UNE PIECE SOUMISE A DES SOLLICITATIONS CYCLIQUES; UNITE DE DETERMINATION D'UNE TELLE CONTRAINTE

A method of determining a maximum acceptable alternating stress at a point of a part subjected to cyclic loading: simulating that the part is subjected to constant loading equal to a threshold value during a level period, and assuming that the part has elasto-viscoplastic behavior; from the results...

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Bibliographische Detailangaben
Hauptverfasser:	LONGUET ARNAUD CYRIL, LANCIAUX LUCIE MARIE, IDA, HANSOM MICHAEL, PIERS, GAUBERT ANAIS SUZANNE, AMELIE, CHEVALIER MARINE LAETICIA, CAMILLE, DESMEURE GEOFFREY JUAN, COMTE FRANCOIS PIERRE, MICHEL
Format:	Patent
Sprache:	fre
Schlagworte:	BLASTING CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ENGINE PLANTS IN GENERAL HEATING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PHYSICS STEAM ENGINES TESTING WEAPONS
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Beschreibung
Zusammenfassung:	A method of determining a maximum acceptable alternating stress at a point of a part subjected to cyclic loading: simulating that the part is subjected to constant loading equal to a threshold value during a level period, and assuming that the part has elasto-viscoplastic behavior; from the results of the simulation, determining a final static stress at the point at the end or after the end of the level period; and for the point under consideration, using a Goodman diagram to determine the maximum acceptable alternating stress, which is determined for a static stress equal to the final static stress; the duration of the level period being equal to the duration of the loading of the testpieces that were used to draw up the Goodman diagram.