On the microstructure and strengthening mechanism in oxide dispersion-strengthened 316 steel: A coordinated electron microscopy, atom probe tomography and in situ synchrotron tensile investigation

Yinbin Miao; Kun Mo; Zhangjian Zhou; Xiang Liu; Kuan Che Lan; Guangming Zhang; Michael K. Miller; Kathy A. Powers; Zhi Gang Mei; Jun Sang Park; Jonathan Almer; James F. Stubbins

doi:10.1016/j.msea.2015.05.064

On the microstructure and strengthening mechanism in oxide dispersion-strengthened 316 steel: A coordinated electron microscopy, atom probe tomography and in situ synchrotron tensile investigation

Yinbin Miao, Kun Mo, Zhangjian Zhou, Xiang Liu, Kuan Che Lan, Guangming Zhang, Michael K. Miller, Kathy A. Powers, Zhi Gang Mei, Jun Sang Park, Jonathan Almer, James F. Stubbins

Nuclear, Plasma, and Radiological Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

An oxide dispersion-strengthened (ODS) 316 steel was developed to simultaneously provide the advantages of ODS steels in mechanical strength and radiation tolerance as well as the excellence of austenitic steels in creep performance and corrosion resistance. The precipitate phases within the austenite matrix were identified by the combined techniques of atom probe tomography (APT), scanning transmission electron microscopy equipped with electron dispersive X-ray spectroscopy (STEM-EDS), and synchrotron wide-angle and small-angle X-ray scattering (WAXS and SAXS). Coarse TiN, hexagonal YAlO₃ and orthorhombic YAlO₃ precipitates were found along with fine Y-Ti-O nanoparticles. In situ WAXS experiments were performed at room and elevated temperatures to examine the size effect on the load partitioning phenomenon for TiN, hexagonal YAlO₃ and Y₂Ti₂O₇ phases. In addition, the dislocation density evolution throughout the tensile tests was analyzed by the modified Williamson-Hall method and confirmed by transmission electron microscopy (TEM) observations, revealing the difference in plasticity at various temperatures.

Original language	English (US)
Pages (from-to)	585-596
Number of pages	12
Journal	Materials Science and Engineering: A
Volume	639
DOIs	https://doi.org/10.1016/j.msea.2015.05.064
State	Published - 2015

Keywords

Atom probe tomography
Oxide dispersion-strengthened steel
Scanning transmission electron microscopy
Synchrotron X-ray scattering

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Online availability

10.1016/j.msea.2015.05.064

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Miao, Y., Mo, K., Zhou, Z., Liu, X., Lan, K. C., Zhang, G., Miller, M. K., Powers, K. A., Mei, Z. G., Park, J. S., Almer, J., & Stubbins, J. F. (2015). On the microstructure and strengthening mechanism in oxide dispersion-strengthened 316 steel: A coordinated electron microscopy, atom probe tomography and in situ synchrotron tensile investigation. Materials Science and Engineering: A, 639, 585-596. https://doi.org/10.1016/j.msea.2015.05.064

On the microstructure and strengthening mechanism in oxide dispersion-strengthened 316 steel: A coordinated electron microscopy, atom probe tomography and in situ synchrotron tensile investigation. / Miao, Yinbin; Mo, Kun; Zhou, Zhangjian et al.
In: Materials Science and Engineering: A, Vol. 639, 2015, p. 585-596.

Research output: Contribution to journal › Article › peer-review

Miao, Y, Mo, K, Zhou, Z, Liu, X, Lan, KC, Zhang, G, Miller, MK, Powers, KA, Mei, ZG, Park, JS, Almer, J & Stubbins, JF 2015, 'On the microstructure and strengthening mechanism in oxide dispersion-strengthened 316 steel: A coordinated electron microscopy, atom probe tomography and in situ synchrotron tensile investigation', Materials Science and Engineering: A, vol. 639, pp. 585-596. https://doi.org/10.1016/j.msea.2015.05.064

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title = "On the microstructure and strengthening mechanism in oxide dispersion-strengthened 316 steel: A coordinated electron microscopy, atom probe tomography and in situ synchrotron tensile investigation",

abstract = "An oxide dispersion-strengthened (ODS) 316 steel was developed to simultaneously provide the advantages of ODS steels in mechanical strength and radiation tolerance as well as the excellence of austenitic steels in creep performance and corrosion resistance. The precipitate phases within the austenite matrix were identified by the combined techniques of atom probe tomography (APT), scanning transmission electron microscopy equipped with electron dispersive X-ray spectroscopy (STEM-EDS), and synchrotron wide-angle and small-angle X-ray scattering (WAXS and SAXS). Coarse TiN, hexagonal YAlO3 and orthorhombic YAlO3 precipitates were found along with fine Y-Ti-O nanoparticles. In situ WAXS experiments were performed at room and elevated temperatures to examine the size effect on the load partitioning phenomenon for TiN, hexagonal YAlO3 and Y2Ti2O7 phases. In addition, the dislocation density evolution throughout the tensile tests was analyzed by the modified Williamson-Hall method and confirmed by transmission electron microscopy (TEM) observations, revealing the difference in plasticity at various temperatures.",

keywords = "Atom probe tomography, Oxide dispersion-strengthened steel, Scanning transmission electron microscopy, Synchrotron X-ray scattering",

author = "Yinbin Miao and Kun Mo and Zhangjian Zhou and Xiang Liu and Lan, {Kuan Che} and Guangming Zhang and Miller, {Michael K.} and Powers, {Kathy A.} and Mei, {Zhi Gang} and Park, {Jun Sang} and Jonathan Almer and Stubbins, {James F.}",

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year = "2015",

doi = "10.1016/j.msea.2015.05.064",

language = "English (US)",

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T1 - On the microstructure and strengthening mechanism in oxide dispersion-strengthened 316 steel

T2 - A coordinated electron microscopy, atom probe tomography and in situ synchrotron tensile investigation

AU - Miao, Yinbin

AU - Mo, Kun

AU - Zhou, Zhangjian

AU - Liu, Xiang

AU - Lan, Kuan Che

AU - Zhang, Guangming

AU - Miller, Michael K.

AU - Powers, Kathy A.

AU - Mei, Zhi Gang

AU - Park, Jun Sang

AU - Almer, Jonathan

AU - Stubbins, James F.

PY - 2015

Y1 - 2015

N2 - An oxide dispersion-strengthened (ODS) 316 steel was developed to simultaneously provide the advantages of ODS steels in mechanical strength and radiation tolerance as well as the excellence of austenitic steels in creep performance and corrosion resistance. The precipitate phases within the austenite matrix were identified by the combined techniques of atom probe tomography (APT), scanning transmission electron microscopy equipped with electron dispersive X-ray spectroscopy (STEM-EDS), and synchrotron wide-angle and small-angle X-ray scattering (WAXS and SAXS). Coarse TiN, hexagonal YAlO3 and orthorhombic YAlO3 precipitates were found along with fine Y-Ti-O nanoparticles. In situ WAXS experiments were performed at room and elevated temperatures to examine the size effect on the load partitioning phenomenon for TiN, hexagonal YAlO3 and Y2Ti2O7 phases. In addition, the dislocation density evolution throughout the tensile tests was analyzed by the modified Williamson-Hall method and confirmed by transmission electron microscopy (TEM) observations, revealing the difference in plasticity at various temperatures.

AB - An oxide dispersion-strengthened (ODS) 316 steel was developed to simultaneously provide the advantages of ODS steels in mechanical strength and radiation tolerance as well as the excellence of austenitic steels in creep performance and corrosion resistance. The precipitate phases within the austenite matrix were identified by the combined techniques of atom probe tomography (APT), scanning transmission electron microscopy equipped with electron dispersive X-ray spectroscopy (STEM-EDS), and synchrotron wide-angle and small-angle X-ray scattering (WAXS and SAXS). Coarse TiN, hexagonal YAlO3 and orthorhombic YAlO3 precipitates were found along with fine Y-Ti-O nanoparticles. In situ WAXS experiments were performed at room and elevated temperatures to examine the size effect on the load partitioning phenomenon for TiN, hexagonal YAlO3 and Y2Ti2O7 phases. In addition, the dislocation density evolution throughout the tensile tests was analyzed by the modified Williamson-Hall method and confirmed by transmission electron microscopy (TEM) observations, revealing the difference in plasticity at various temperatures.

KW - Atom probe tomography

KW - Oxide dispersion-strengthened steel

KW - Scanning transmission electron microscopy

KW - Synchrotron X-ray scattering

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On the microstructure and strengthening mechanism in oxide dispersion-strengthened 316 steel: A coordinated electron microscopy, atom probe tomography and in situ synchrotron tensile investigation

Abstract

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