Discontinuous precipitation initiated at interphase boundaries in a Zn-rich Zn-6.3 at.% Ag alloy

W. Xu, D. Ma, Y. P. Feng, Y. Li*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Discontinuous precipitation in a two-phase Zn-rich Zn-6.3 at.% Ag alloy has been studied. It has been shown that the η′/ε interphase boundaries have the ability to initiate discontinuous precipitation as do the η′/η′ grain boundaries. The back-polishing method is used to show the interconnection between a discontinuous precipitate colony and the η′/ε interphase boundary. The reaction front velocity of discontinuous precipitation initiated at the η′/η′ grain boundary is 12-90% higher than that of discontinuous precipitation initiated at the η′/ε interphase boundary under various ageing temperatures.

Original languageEnglish
Pages (from-to)467-475
Number of pages9
JournalPhilosophical Magazine Letters
Volume80
Issue number7
DOIs
Publication statusPublished - Jul 2000
Externally publishedYes

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