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Updated: Jun 14, 2026

Atom Probe Tomography Analysis of Exsolved Mineral Phases
Published on: October 25, 2019
Atomic scale investigation on the distribution of boron in medium carbon steels by atom probe tomography and EELS
Jae Bok Seol1, Gil Ho Gu, Nam Suk Lim
1Department of Materials Science and Engineering, Pohang University of Science and Engineering (POSTECH), Pohang, Republic of Korea.
Abstract:
The medium carbon (0.5 wt% C) steels containing various boron contents were studied to observe the distribution of boron using atom probe tomography and electron energy loss spectroscopy. APT revealed the segregation of boron atoms at retained austenite for 100 ppm boron added steels and the trapped carbon atoms at micro-twins for 50 ppm boron treated steels. Moreover, it was also found that boron was randomly distributed for 20 ppm boron added steels regardless of the interactions between carbon and boron.
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