Effect of cooling rate on the composition and chemical heterogeneity of quench-induced grain boundary η-phase precipitates in 7xxx aluminium alloys

Yao, Yichao; Euesden, Ryan; E. Curd, Matthew; Liu, Chuanlai; Garner, Alistair; L. Burnett, Timothy; Shanthraj, Pratheek; Prangnell, P.B.

doi:10.1016/j.actamat.2023.119443

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Effect of cooling rate on the composition and chemical heterogeneity of quench-induced grain boundary η-phase precipitates in 7xxx aluminium alloys

Shared by NobleBlocks on Oct 17, 2023 • 12:00 AM UTC

Authors:

Yichao Yao

Ryan Euesden

Matthew E. Curd

Abstract

The mechanical properties and stress corrosion cracking (SCC) resistance of 7xxx series aluminium alloys are significantly affected by the composition and distribution of precipitates formed during heat treatment. In particular, their quench sensitivity is related to the formation of η-phase precipi...

Subject

Materials science

Grain boundary

Nucleation

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