Nanostructuring of beryllium bronze: Contribution of grain boundaries segregation and solid solution
Résumé
The impact of composition on grain refinement in solutionized CuBe alloys was investigated. High-pressure torsion resulted in grain sizes of 10-110 nm for Cu-1 wt.% Be and 10-20 nm for Cu-2 wt.%Be. Our findings indicate that Be stabilizes the nanoscale grain size, which is influenced by the balance between defect creation and annihilation. Consequently, Be concentration serves as a key parameter for directing microstructure and property changes during severe plastic deformation.
Origine : Publication financée par une institution
licence : CC BY - Paternité
licence : CC BY - Paternité