Peer-Reviewed Journal Details
Mandatory Fields
Albertini, G,Girardin, E,Giuliani, A,Ilie, DE,O'Donnell, BP,McGarry, JM,McHugh, PE
2005
May
Advanced Composites Letters
Finite element simulation and experimental determination of residual stresses after extrusion process in Metal Matrix composites
Published
()
Optional Fields
MMC
14
123
128
The introduction of reinforcement in a Metal Matrix causes micro-stresses which may prove to be very detrimental for the life of the component. Submitting the components to annealing thermal treatments introduces thermal mismatch stresses. They are generated during cooling due to the difference between the thermal expansion coefficient of the two phases. Finite Element Analysis has been performed to study this effect and the results have been experimentally validated by X-ray diffraction, SEM investigation and EDAX on an AA2009 + 25% SiCp extruded shaft for helicopters, simplified as a thin extruded tube.
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