Effect of Copper Addition on Precipitation Behavior near Grain Boundary in AlZnMg Alloy

Kenji Matsuda, Toru Yasumoto, Artenis Bendo, Taiki Tsuchiya, Seungwon Lee, Katsuhiko Nishimura, Norio Nunomura, Calin D. Marioara, Adrian Levik, Randi Holmestad, Hiroyuki Toda, Masatake Yamaguchi, Ken Ichi Ikeda, Tomoyuki Homma, Susumu Ikeno

研究成果: ジャーナルへの寄稿学術誌査読

11 被引用数 (Scopus)

抄録

The effect of Cu-addition on age-hardening and precipitation have been investigated by hardness measurement, tensile test, high resolution transmission electron microscopy (HRTEM) and high angle annular dark field scanning transmission electron microscopy (HAADF-STEM) techniques. Higher hardness, strength, and lower elongation were caused by increasing amount of Zn + Mg because of increased number density of precipitates. Cu addition also provided even higher peak hardness, strength, and lower elongation. The alloy containing highest Cu content had fine precipitates of GPB-II zones or the second clusters, in the precipitate free zones (PFZs) and the matrix, together with

本文言語英語
ページ(範囲)1688-1696
ページ数9
ジャーナルMaterials Transactions
60
8
DOI
出版ステータス出版済み - 2019

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学

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