Evaluation of depth of dislocation visibility in SEM electron channeling contrast imaging in Ti-6Al-4V alloy using serial sectioning method

Shigeto Yamasaki, Misaki Deguchi, Masatoshi Mitsuhara, Hideharu Nakashima, Yutaro Ota, Keiji Kubushiro

研究成果: Contribution to journalArticle査読

抄録

In this study, we conducted a quantitative evaluation of dislocation density by scanning electron microscopy electron channeling contrast imaging for α grains of a Ti-6Al-4V alloy deformed at room temperature. The depth of visibility of dislocations is experimentally measured as 140 to 160 nm by a serial sectioning observation. This result is compared with the theoretical value and applied to evaluate dislocation density. These factors confirm that the theoretically calculated value of the depth of visibility, at 5 to 6 times the extinction distance, is valid for the hexagonal close-packed Ti alloy.

本文言語英語
ページ(範囲)265-277
ページ数13
ジャーナルMicroscopy
70
3
DOI
出版ステータス出版済み - 6 1 2021

All Science Journal Classification (ASJC) codes

  • 構造生物学
  • 器械工学
  • 放射線学、核医学およびイメージング

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