A comparative characterization of defect structure in NiCo and NiFe equimolar solid solution alloys under in situ electron irradiation

Mo Rigen He, Shuai Wang, Ke Jin, Hongbin Bei, Kazuhiro Yasuda, Syo Matsumura, Kenji Higashida, Ian M. Robertson

研究成果: Contribution to journalArticle査読

抄録

Dislocation loops in NiCo and NiFe, both being single-phase, equimolar solid solution alloys, are generated by in situ high-voltage electron irradiation and characterized inside a transmission electron microscope. In addition to the different defect growth rates, the two alloys present dislocation loops with distinct shape evolution and element segregation, which reflect the element-sensitive, intrinsic properties (e.g., defect energetics, lattice distortion, and local ordering) of the alloys. These results provide evidence that the structure and dynamics of radiation-induced defects in concentrated alloys depend on not only the number but also the species of alloying elements.

本文言語英語
ページ(範囲)96-101
ページ数6
ジャーナルScripta Materialia
166
DOI
出版ステータス出版済み - 6 2019

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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