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 140-160 nm by a serial sectioning observation. This result is compared to the theoretical value and applied to evaluate dislocation density. These factors confirm that the theoretically calculated value of the depth of visibility, at five to six times the extinction distance, is valid for the HCP-Ti alloy.

本文言語英語
ジャーナルMicroscopy (Oxford, England)
DOI
出版ステータス印刷前のE-pub - 10 2 2020

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