@inproceedings{ab28c48c0b324a19a61648570989f258,
title = "Precipitates in long term aging A15083 alloy",
abstract = "A1 5083 alloy aged at 343 K (70 °C) for 3-30 months was evaluated by high resolution transmission electron microscopy (HRTEM) results show that both thickness and continuity of β phase formed at grain boundaries increase with time. GP zones are observed in A1 5083 aged at 343 K for 3 months for the first time. TEM results reveal that GP zones can form homogeneously with the help of vacancies as well as heterogeneously at dislocations near grain boundaries, and the mechanism are explained in detail. Mg2Si precipitate was found to form at the grain boundary and energy-dispersive X-ray spectroscopy (EDS) results reveal that a Mg, Si (atomic ratio 1:1) rich phase nucleates at the interface of Mg2Si-matrix. β phase(Al 3Mg2, hexagonal) is observed to form at grain boundaries of A1 5083 alloy aged at 343 K for 30 months. β phase was found at the grain boundary of A1 5083 aged at 343 K for 12 months using EDS.",
keywords = "A1 5083, GP zone, Precipitates",
author = "Gaosong Yi and Yakun Zhu and Cullen, \{David A.\} and Derrick, \{Alexander T.\} and Free, \{Michael L.\}",
year = "2014",
language = "English",
isbn = "9781118889084",
series = "TMS Light Metals",
publisher = "Minerals, Metals and Materials Society",
pages = "249--253",
booktitle = "Light Metals 2014 - At the TMS 2014 Annual Meeting and Exhibition",
note = "Light Metals 2014 - TMS 2014 Annual Meeting and Exhibition ; Conference date: 16-02-2014 Through 20-02-2014",
}