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Effects of Yb and Zr microalloying additions on the microstructure and mechanical properties of dilute Al–Sc alloys

Marsha E. Van Dalen, Auteur ; Thomas Gyger, Auteur ; David C. Dunand, Auteur |

Dans Acta materialia (Vol. 59 N° 20, Décembre 2011)

It is known that Zr and Yb partition to the Al3Sc precipitates created during aging when microalloyed separately in dilute binary Al–Sc alloys. Addition of Zr delays precipitate coarsening, thereby improving the coarsening resistance of the tern[...]

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