抄録
Characterization of precipitates in Al-Zn-Mg alloys, using a combination of electron diffraction, bright field transmission electron microscopy and atomic scale scanning transmission electron microscopy imaging revealed the presence of an unreported η13 orientation relationship between the η-MgZn2 phase and the Al lattice with the following orientation relationship (0001)η ∥ (120)Al and (21¯1¯0)η ∥ (001)Al, plate on (120)Al. The precipitate interfaces were observed and analyzed along two projections 90° to one-another. The precipitate coarsening was through the common thickening ledge mechanism. The ledges were significantly stepped along one lateral direction. An interface relaxation model using density functional theory was carried out to explain the precipitate behavior.
本文言語 | 英語 |
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論文番号 | 109958 |
ジャーナル | Materials Characterization |
巻 | 158 |
DOI | |
出版ステータス | 出版済み - 2019/12 |
ASJC Scopus 主題領域
- 材料科学一般
- 凝縮系物理学
- 材料力学
- 機械工学