Influence of stacking fault energy on nanostructure formation under high pressure torsion

Y. H. Zhao, X. Z. Liao, Y. T. Zhu, Z. Horita, T. G. Langdon

    研究成果: Contribution to journalArticle査読

    143 被引用数 (Scopus)

    抄録

    Copper, bronze (Cu-10 wt.% Zn) and brass (Cu-30 wt.% Zn) were deformed by high pressure torsion (HPT) under a pressure of 6 GPa for five rotations. The stacking fault energies (SFEs) of copper, bronze and brass are 78, 35 and 14 mJ/m2, respectively, and their average grain sizes after the HPT processing were about 84, 54 and 17 nm, respectively. Deformation twins were found in all samples and their densities increased with decreasing SFE. This work demonstrates that under the same conditions of HPT a low SFE promotes the formation of nanostructures and deformation twins.

    本文言語英語
    ページ(範囲)188-193
    ページ数6
    ジャーナルMaterials Science and Engineering A
    410-411
    DOI
    出版ステータス出版済み - 11 25 2005

    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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