Recovering compressive plasticity of bulk metallic glasses by high-temperature creep

Y. Tong, W. Dmowski, Y. Yokoyama, G. Wang, P. K. Liaw, T. Egami

研究成果: Article査読

28 被引用数 (Scopus)

抄録

Most bulk metallic glasses fail mechanically in a brittle manner, without much plasticity. Annealing at a temperature below the glass transition temperature typically results in structural relaxation and even more enhanced brittleness. However, we report here that significant plasticity can be recovered if the sample is subjected to stress during annealing, resulting in thermomechanical creep. The structural analysis indicates that the high-temperature creep alleviates the effect of the structural relaxation and thus leads to structural rejuvenation and improved plasticity.

本文言語English
ページ(範囲)570-573
ページ数4
ジャーナルScripta Materialia
69
8
DOI
出版ステータスPublished - 2013 10

ASJC Scopus subject areas

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

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