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Simultaneously increasing strength and ductility of nanoparticles reinforced Al composites via accumulative orthogonal extrusion process
Abstract : Ceramic particles have been introduced into metal matrices to improve the strength and stiffness of metals, albeit at the cost of the ductility unfortunately. Simultaneously increasing the strength and ductility of metal matrix composites (MMCs) is still a challenge. Accumulative orthogonal extrusion process (AOEP), which disperses nanoparticles and refines grain structures of particles reinforced MMCs via severe plastic deformation, is proposed in this paper. The high strength (687 MPa) and superior ductility (14.8%) are simultaneously achieved in the resultant TiB2 particles reinforced Al–Zn–Mg–Cu matrix composites, and the underlying mechanisms are discussed in terms of particles’ influences.
Littérature citée [38 références]
https://hal.univ-lille.fr/hal-02332319
Contributeur : Lilloa Université de Lille <>
Soumis le : lundi 30 mars 2020 - 10:30:16
Dernière modification le : samedi 19 septembre 2020 - 03:44:45
Contributeur : Lilloa Université de Lille <>
Soumis le : lundi 30 mars 2020 - 10:30:16
Dernière modification le : samedi 19 septembre 2020 - 03:44:45
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