Cold Expansion Process with Multiple Balls—Numerical Simulation and Comparison with Single Ball and Tapered Mandrels

Cold Expansion Process with Multiple Balls—Numerical Simulation and Comparison with Single Ball and Tapered Mandrels

Cold expansion technology is an extended method used in aeronautics to increase fatigue life of holes and hence extending inspection intervals. During the cold expansion process, a mechanical mandrel is forced to pass along the hole generating compressive residual hoop stresses. The most widely acce...

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Bibliographic Details
Main Authors: David Curto-Cárdenas, Jose Calaf-Chica, Pedro Miguel Bravo Díez, Mónica Preciado Calzada, Maria-Jose Garcia-Tarrago
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Materials
Subjects:
cold expansion
swaging
ball
aeronautical
simulation
experimental
Online Access:https://www.mdpi.com/1996-1944/13/23/5536

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