An, X.H, Wu, S.D, Zhang, Z. F, Figueiredo, R.B., Gao, N. and Langdon, T.G.
Enhanced strength–ductility synergy in nanostructured Cu and Cu–Al alloys processed by high-pressure torsion and subsequent annealing
Scripta Materialia, 66, (5), . (doi:10.1016/j.scriptamat.2011.10.043).
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Nanostructured Cu and Cu–Al alloys processed by high-pressure torsion were isochronally annealed to investigate the e?ects of the stacking fault energy (SFE) on strength and ductility. All metals exhibit a similar general trend that the strength decreases and the ductility improves with increasing annealing temperatures, and a notable enhancement of ductility was achieved only when the volume fraction of recrystallized grains exceeded ~80%. The strength–ductility synergy improves signi?cantly with decreasing SFE
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