Decorated Dislocations with Fine Precipitates Observed by FIB-SEM Slice-sectioning Tomography

Rika Kawano; Kenji Kaneko; Toru Hara; Kazuhiro Yamada; Yukio Sato; Kenji Higashida; Masao Kikuchi

doi:10.2355/isijinternational.55.858

Regular Article

Decorated Dislocations with Fine Precipitates Observed by FIB-SEM Slice-sectioning Tomography

Rika Kawano , Kenji Kaneko, Toru Hara, Kazuhiro Yamada, Yukio Sato, Kenji Higashida, Masao Kikuchi

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Keywords: FIB-SEM, tomography, dislocation, NbC, austenitic stainless steel

JOURNAL OPEN ACCESS FULL-TEXT HTML

2015 Volume 55 Issue 4 Pages 858-862

DOI https://doi.org/10.2355/isijinternational.55.858

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Abstract

Dispersion behavior of intragranular NbC precipitates in Nb added austenitic stainless steel were investigated via nanoscopic characterization in detail, FIB-SEM slice-sectioning tomography, orientation image microscopy, energy-dispersive X-ray spectrometry (EDS), selected area electron diffraction pattern (SAEDP) and transmission electron microscopy (TEM). The heterogeneous dispersion of fine intragranular NbC precipitates were visualized, and in particular, it was found that they were on the {111} slip plane and associated with dislocations.

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