Experimental Determination of Phase Equilibria in the Mn-Zn Binary System

Daisuke Imatomi, Ryosuke Ishikawa, Akira Nakata, Tatsuya Ito, Kwangsik Han, Makoto Nagasako, Xiao Xu, Toshihiro Omori, Ryosuke Kainuma

研究成果: ジャーナルへの寄稿学術論文査読


Phase equilibria in the Mn-Zn binary system were experimentally determined by chemical composition examination, crystal structure determination, and thermal analysis. Major changes were detected for the β, ε, and δ phases. The β-B2 single-phase region could not be confirmed in the studied system because a disordered body-centered cubic structure, which is identical to the δMn phase, was confirmed in a quenched sample from the previously proposed region of β phase. The ε phase has been controversial whether the phase is separated into ε, ε1, and ε2 phases or not. By studying a diffusion couple and several alloy compositions, it was established that the ε, ε1, and ε2 phases are not separate and comprise a single ε phase. Furthermore, the δ phase is not present in the Zn-rich region of the system because the corresponding invariant reactions were not detected via thermal analysis.

ジャーナルJournal of Phase Equilibria and Diffusion
出版ステータス出版済み - 2024 2月


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