Tensile behavior and microstructural evolution of a Fe-25Ni-20Cr austenitic stainless steel (alloy 709) from room to elevated temperatures through in-situ synchrotron X-ray diffraction characterization and transmission electron microscopy

Yuchen Zhao; Mahmut N. Cinbiz; Jun Sang Park; Jonathan Almer; Djamel Kaoumi

doi:10.1016/j.jnucmat.2020.152367

Tensile behavior and microstructural evolution of a Fe-25Ni-20Cr austenitic stainless steel (alloy 709) from room to elevated temperatures through in-situ synchrotron X-ray diffraction characterization and transmission electron microscopy

Yuchen Zhao, Mahmut N. Cinbiz, Jun Sang Park, Jonathan Almer, Djamel Kaoumi

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

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Abstract

Uniaxial tensile tests were done on Fe-25Ni-20Cr Austenitic Stainless Steel (Alloy 709) along with in-situ synchrotron measurement at different temperatures (25 °C, 500 °C, 700 °C and 900 °C). The X-Ray diffraction data was collected in-situ in order to follow the phases present as well as to derive the dislocation density as a function of strain through peak broadening analysis based on the modified Williamson-Hall method and see how trends are affected as a function of temperature. The XRD data were complemented by TEM and STEM-EDX characterization done on the post-experiment samples to observe the deformed microstructures. The paper presents a depiction of the tensile behavior of this advanced steel by interpreting the stress-strain curves and the effect of temperature through the information gained by in-situ XRD and TEM observations as well as fractography done ex-situ on the samples tested to rupture.

Original language	English
Article number	152367
Journal	Journal of Nuclear Materials
Volume	540
DOIs	https://doi.org/10.1016/j.jnucmat.2020.152367
State	Published - Nov 2020
Externally published	Yes

Funding

This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357. The authors thank Dr Zheng for his help in the TEM characterization and they gratefully acknowledge the financial support from DOE Nuclear Energy University Programs (NEUP), (Project #15-8582). This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract No. DE-AC02-06CH11357 . The authors thank Dr Zheng for his help in the TEM characterization and they gratefully acknowledge the financial support from DOE Nuclear Energy University Programs (NEUP) , (Project # 15-8582 ).

Funders	Funder number
DOE Nuclear Energy University Programs
DOE Office of Science
U.S. Department of Energy
Office of Science
Argonne National Laboratory	DE-AC02-06CH11357
Nuclear Energy University Program	15-8582

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Zhao, Y., Cinbiz, M. N., Park, J. S., Almer, J., & Kaoumi, D. (2020). Tensile behavior and microstructural evolution of a Fe-25Ni-20Cr austenitic stainless steel (alloy 709) from room to elevated temperatures through in-situ synchrotron X-ray diffraction characterization and transmission electron microscopy. Journal of Nuclear Materials, 540, Article 152367. https://doi.org/10.1016/j.jnucmat.2020.152367

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title = "Tensile behavior and microstructural evolution of a Fe-25Ni-20Cr austenitic stainless steel (alloy 709) from room to elevated temperatures through in-situ synchrotron X-ray diffraction characterization and transmission electron microscopy",

abstract = "Uniaxial tensile tests were done on Fe-25Ni-20Cr Austenitic Stainless Steel (Alloy 709) along with in-situ synchrotron measurement at different temperatures (25 °C, 500 °C, 700 °C and 900 °C). The X-Ray diffraction data was collected in-situ in order to follow the phases present as well as to derive the dislocation density as a function of strain through peak broadening analysis based on the modified Williamson-Hall method and see how trends are affected as a function of temperature. The XRD data were complemented by TEM and STEM-EDX characterization done on the post-experiment samples to observe the deformed microstructures. The paper presents a depiction of the tensile behavior of this advanced steel by interpreting the stress-strain curves and the effect of temperature through the information gained by in-situ XRD and TEM observations as well as fractography done ex-situ on the samples tested to rupture.",

author = "Yuchen Zhao and Cinbiz, {Mahmut N.} and Park, {Jun Sang} and Jonathan Almer and Djamel Kaoumi",

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year = "2020",

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doi = "10.1016/j.jnucmat.2020.152367",

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Zhao, Y, Cinbiz, MN, Park, JS, Almer, J & Kaoumi, D 2020, 'Tensile behavior and microstructural evolution of a Fe-25Ni-20Cr austenitic stainless steel (alloy 709) from room to elevated temperatures through in-situ synchrotron X-ray diffraction characterization and transmission electron microscopy', Journal of Nuclear Materials, vol. 540, 152367. https://doi.org/10.1016/j.jnucmat.2020.152367

Tensile behavior and microstructural evolution of a Fe-25Ni-20Cr austenitic stainless steel (alloy 709) from room to elevated temperatures through in-situ synchrotron X-ray diffraction characterization and transmission electron microscopy. / Zhao, Yuchen; Cinbiz, Mahmut N.; Park, Jun Sang et al.
In: Journal of Nuclear Materials, Vol. 540, 152367, 11.2020.

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

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AU - Zhao, Yuchen

AU - Cinbiz, Mahmut N.

AU - Park, Jun Sang

AU - Almer, Jonathan

AU - Kaoumi, Djamel

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Zhao Y, Cinbiz MN, Park JS, Almer J, Kaoumi D. Tensile behavior and microstructural evolution of a Fe-25Ni-20Cr austenitic stainless steel (alloy 709) from room to elevated temperatures through in-situ synchrotron X-ray diffraction characterization and transmission electron microscopy. Journal of Nuclear Materials. 2020 Nov;540:152367. doi: 10.1016/j.jnucmat.2020.152367

Tensile behavior and microstructural evolution of a Fe-25Ni-20Cr austenitic stainless steel (alloy 709) from room to elevated temperatures through in-situ synchrotron X-ray diffraction characterization and transmission electron microscopy

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