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

Abrar Ahmed; Seung Won Lee; Taiki Tsuchiya; Kenji Matsuda; Katsuhiko Nishimura; Norio Nunomura; Hiroyuki Toda; Kyosuke Hirayama; Kazuyuki Shimizu; Masatake Yamaguchi; Tomohito Tsuru; Mitsuhiro Itakura

doi:10.4028/p-Oa8beF

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HomeSolid State PhenomenaSolid State Phenomena Vol. 353Microstructure Observation of Al-Zn-Mg Alloy with...

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

Abstract:

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.

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Periodical:

Solid State Phenomena (Volume 353)

Pages:

73-77

DOI:

https://doi.org/10.4028/p-Oa8beF

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Online since:

December 2023

Authors:

Abrar Ahmed*, Seung Won Lee, Taiki Tsuchiya, Kenji Matsuda, Katsuhiko Nishimura, Norio Nunomura, Hiroyuki Toda, Kyosuke Hirayama, Kazuyuki Shimizu, Masatake Yamaguchi, Tomohito Tsuru, Mitsuhiro Itakura

Keywords:

Metastable Phase, Microstructure, Precipitate, Strengthening, T’ Phase

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References

[1] A. Deschamps, Y. Brechet, Acta mater. 47 (1999) 293–305

Google Scholar

[2] X.B. Yang, J.H. Chen J.Z. Liu,et al. J.Alloys Compd 610(2014) 69–73

Google Scholar

[3] H.Löffler, I.Kovács, J.Lendvai, Decomposition processes in Al-Zn-Mg alloys, J. Mater. Sci. 18(8)(1983)2215–2240.

DOI: 10.1007/bf00541825

Google Scholar

[4] Y. Geng et al. Materials Science Engineering A839(2022)142851.

Google Scholar

[5] N.Takata, M.Ishihara, A.Suzuki, M.Kobashi, Microstructure and strength of a novel heat- resistant aluminum alloy strengthened by T-Al6Mg11Zn11phase at elevated temperatures, Mater. Sci. Eng. A739(2019)62–70.

DOI: 10.1016/j.msea.2018.10.034

Google Scholar

[6] Y. Zou, X. Wu, S. Tang, Q. Zhu, H. Song, L. Cao, Co-precipitation of T' and η' phase in Al-Zn- Mg-Cu alloys, Mater. Char. 169 (2020) 110610.

DOI: 10.1016/j.matchar.2020.110610

Google Scholar