Recovery behaviour of pure magnesium in cyclic compression-quick unloading-recovery process at room temperature investigated by AE

Yunping Li, Manabu Enoki

研究成果: Article査読

25 被引用数 (Scopus)

抄録

Anelastic recovery of pure magnesium at room temperature was investigated in cyclic compression-quick unloading-recovery process where acoustic emission (AE) measurement was applied to analyze the dynamic behaviour and mechanism of anelastic recovery process. By analyzing the RMS voltage of AE signals from both the background and the recovery process, it was observed that the recovery process was accompanied with a gradual decrease in the strength of AE signals. The AE signals in recovery processes of different strain levels seem to be due to the same source of detwinning process because the same slope between amplitude and logarithmic AE count of AE signals in different strain levels was found in the strong clastic waves related to detwinning process. The AE behaviors in recovery process were described in details by AE count rate and AE incubation time. The relations between twinning or detwinning and AE counts in both deformation and anelastic recovery process could be expressed by a general equation.

本文言語English
ページ(範囲)1800-1805
ページ数6
ジャーナルMaterials Transactions
49
8
DOI
出版ステータスPublished - 2008 8

ASJC Scopus subject areas

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

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