Microstructure Observation of Al-Zn-Mg Alloy with High Mg Content

Abrar Ahmed, Seungwon Lee, Taiki Tsuchiya, Kenji Matsuda, Katuhiko Nishimura, Norio Numomura, Hiroyuki Toda, Kyotusuke Hirayama, Kazuyuki Shimizu, Masatake Yamaguchi, Tomohito Tsuru, Mitsuhiro Itakura

研究成果: 書籍の章/レポート/会議録査読

1 被引用数 (Scopus)

抄録

The microstructure and mechanical properties of Al-Zn-Mg alloys with low Zn/Mg ratios have been studied. According to various researchers, the major strengthening is due to η-phase and T phase. There are many briefly research on the microstructure and interface of the η-phase types but not briefly information about the T-phase That’s why now our aim to work on T-phase. In actual our aim is to observe the T-phase interface. The MgZn2 phase (η phase) and its metastable phase (η′ phase) were the most prominent precipitates. Another study revealed various Mg32(Al, Zn)49 phases (T phase) and their metastable phase (T′ phase) in Al-Zn-Mg alloys with low Zn and high Mg content. Al-Zn-Mg alloys with a Zn/Mg ratio of 0.71 were explored for this study. The alloy with a Zn/Mg ratio of 0.71 aged at 473k for 2000 minutes exhibited the highest hardness, according to the observations. The strengthening precipitates in the investigated alloy were totally T′ phase, according to TEM observation.

本文言語英語
ホスト出版物のタイトルSolid State Phenomena
出版社Trans Tech Publications Ltd
ページ73-77
ページ数5
DOI
出版ステータス出版済み - 2023

出版物シリーズ

名前Solid State Phenomena
353
ISSN(印刷版)1012-0394
ISSN(電子版)1662-9779

ASJC Scopus 主題領域

  • 原子分子物理学および光学
  • 材料科学一般
  • 凝縮系物理学

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