Evaluation of nano-sized oxide dispersion condition in ODS steel by atom probe tomography

Tanno, Takashi ; Yano, Yasuhide ; Oka, Hiroshi*

3-dimensional atom prove tomography (3D-APT) was applied to JAEA 9Cr-ODS steel as trial, and the dispersion condition of nano-sized oxide was evaluated. 3D-APT was successfully carried out and the dispersion condition in tiny tip was obtained. 3D-APT mapping showed that the nano-sized oxide is Y-Ti-O complexed, and there could be chemical distribution.

Language	:	English
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Meeting title	:	GIMRT Joint International Symposium on Radiation Effects in Materials and Actinide Science (GIMRT-REMAS 2020)
Held date	:	2020/09
Location (city)	:	Sendai (online)
Location (country)	:	Japan
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Keywords	:	ODS鋼; アトムプローブ; 酸化物分散粒子
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Registration No. : BB20200512
JAEA Abstracts No. :
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