Abnormally enhanced diamagnetism in Al-Zn-Mg alloys

Katsuhiko Nishimura; Kenji Matsuda; Seungwon Lee; Norio Nunomura; Tomoki Shimano; Artenis Bendo; Katsumi Watanabe; Taiki Tsuchiya; Takahiro Namiki; Hiroyuki Toda; Masatake Yamaguchi

doi:10.1016/j.jallcom.2018.10.037

Abnormally enhanced diamagnetism in Al-Zn-Mg alloys

Katsuhiko Nishimura, Kenji Matsuda, Seungwon Lee, Norio Nunomura, Tomoki Shimano, Artenis Bendo, Katsumi Watanabe, Taiki Tsuchiya, Takahiro Namiki, Hiroyuki Toda, Masatake Yamaguchi

Strength of materials

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

Temperature and time dependences of magnetization of Al-1.0%Zn-4.2%Mg, Al-2.6%Zn-3.2%Mg, Al-4.1%Zn-1.1%Mg, and Al-5%Zn (at.%) alloys were measured in the range between 10 and 310 K after various periods of natural aging and peak-aged heat treatments. Enhanced diamagnetic contributions on the magnetization were observed for the as-quenched Al-Zn-Mg alloys for the first time. The enhanced diamagnetism observed in Al-2.6%Zn-3.2%Mg and Al-4.1%Zn-1.1%Mg were found to largely alter in natural aging, while that of Al-1.0%Zn-4.2%Mg little changed. After peak-aged heat treatments, the diamagnetism of Al-Zn-Mg was largely reduced. The binary Al-5%Zn showed neither enhanced diamagnetism nor natural aging effect on the magnetization. Isothermal time variations of magnetization of Al-Zn-Mg alloys at 300 K were found to be related with solute-vacancy clustering.

Original language	English
Pages (from-to)	405-409
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	774
DOIs	https://doi.org/10.1016/j.jallcom.2018.10.037
Publication status	Published - Feb 5 2019

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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Nishimura, K., Matsuda, K., Lee, S., Nunomura, N., Shimano, T., Bendo, A., Watanabe, K., Tsuchiya, T., Namiki, T., Toda, H., & Yamaguchi, M. (2019). Abnormally enhanced diamagnetism in Al-Zn-Mg alloys. Journal of Alloys and Compounds, 774, 405-409. https://doi.org/10.1016/j.jallcom.2018.10.037

Abnormally enhanced diamagnetism in Al-Zn-Mg alloys. / Nishimura, Katsuhiko; Matsuda, Kenji; Lee, Seungwon; Nunomura, Norio; Shimano, Tomoki; Bendo, Artenis; Watanabe, Katsumi; Tsuchiya, Taiki; Namiki, Takahiro; Toda, Hiroyuki; Yamaguchi, Masatake.

In: Journal of Alloys and Compounds, Vol. 774, 05.02.2019, p. 405-409.

Research output: Contribution to journal › Article

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