Microstructure and mechanical properties of a 5754 aluminum alloy modified by Sc and Zr additions

Abstract

The effects of various heat treatments upon the microstructure and mechanical properties of a rolled 5754 aluminum alloy modified with 0.23 wt.% Sc and 0.22 wt.% Zr were investigated. Grain size, as well as precipitate size, type, and morphology were observed by optical and transmission electron microscopies. Two populations of the Al3Sc1 x Zrx phase were… (More)

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