Atomic Structures of Precipitates in Al–Mg–Si Alloys with Small Additions of Other Elements

Takeshi Saito*, Eva A. Mørtsell, Sigurd Wenner, Calin D. Marioara, Sigmund J. Andersen, Jesper Friis, Kenji Matsuda, Randi Holmestad

*この論文の責任著者

研究成果: ジャーナルへの寄稿総説査読

98 被引用数 (Scopus)

抄録

In Al–Mg–Si alloys, additions of only a few weight percent of Mg and Si enable formation of hardening precipitates during heat treatment. The precipitation is complex and is influenced by chemical compositions and thermo-mechanical treatment. Structural analysis at the atomic scale has played an important role for understanding the Al–Mg–Si system. This review paper gives a summary of the influence of elements on the precipitate structures of Al–Mg–Si alloys at the atomic scale. The structures are modified by small additions of different elements, but all the encountered precipitates are structurally connected with the Si network, except for the main hardening phase which exhibit a partially discontinuous Si network. The influence of the selected elements (Li, Cu, Zn, Ge, Ag, Ni, Co, and Au) is discussed in detail.

本文言語英語
論文番号1800125
ジャーナルAdvanced Engineering Materials
20
7
DOI
出版ステータス出版済み - 2018/07

ASJC Scopus 主題領域

  • 材料科学一般
  • 凝縮系物理学

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