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In-situ nanostructured grain (NG), with numerous iron-rich nanoparticles dispersed within refined copper grains (20–40μm), was achieved in Cu–10Sn–2Zn–1.5Fe–0.5Co (wt.%) alloy fabricated by centrifugal casting. NG structure resulted in excellent combination of high strength and high ductility. Formation mechanism of NG structure in the alloy was studied. Iron-rich nanoparticles were confirmed to in-situ...
A trend of strengthening accompanied by a loss of ductility is generally true for metals and alloys processed in various methods for hundreds years. In the future, increasing the strength of metals and alloys without sacrificing other properties including ductility is critical for their competitiveness. Successful strategies of simultaneously strengthening and toughening for copper alloys were presented...
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