TEM and HRTEM study of oxide particles in an Al-alloyed high-Cr oxide dispersion strengthened steel with Zr addition

The nanoparticles in an Al-alloyed high-Cr oxide dispersion strengthened (ODS) steel with Zr addition, i.e., SOC-14 (Fe–15Cr–2W–0.1Ti–4Al–0.63Zr–0.35Y2O3), have been examined by transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM). Relative to an Al-all...

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Veröffentlicht in:	Journal of nuclear materials 2014-01, Vol.444 (1-3), p.441-453
Hauptverfasser:	Dou, Peng, Kimura, Akihiko, Kasada, Ryuta, Okuda, Takanari, Inoue, Masaki, Ukai, Shigeharu, Ohnuki, Somei, Fujisawa, Toshiharu, Abe, Fujio
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum Applied sciences Coherence Cross-disciplinary physics: materials science rheology Dispersion hardening alloys Dispersions Energy Energy. Thermal use of fuels Exact sciences and technology Ferritic stainless steels Fission nuclear power plants Installations for energy generation and conversion: thermal and electrical energy Materials science Metals, semimetals and alloys Nanoparticles Oxides Physics Specific materials Steels Transmission electron microscopy
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Zusammenfassung:	The nanoparticles in an Al-alloyed high-Cr oxide dispersion strengthened (ODS) steel with Zr addition, i.e., SOC-14 (Fe–15Cr–2W–0.1Ti–4Al–0.63Zr–0.35Y2O3), have been examined by transmission electron microscopy (TEM) and high resolution transmission electron microscopy (HRTEM). Relative to an Al-alloyed high-Cr oxide ODS steel without Zr addition, i.e., SOC-9 (Fe–15.5Cr–2W–0.1Ti–4Al–0.35Y2O3), the dispersion morphology and coherency of the oxide nanoparticles in SOC-14 were significantly improved. Almost all the small nanoparticles (diameter
ISSN:	0022-3115 1873-4820
DOI:	10.1016/j.jnucmat.2013.10.028