Effects of 3d electron configurations on helium bubble formation and void swelling in concentrated solid-solution alloys

Yanwen Zhang; Xing Wang; Yuri N. Osetsky; Yang Tong; Robert Harrison; Stephen E. Donnelly; Di Chen; Yongqiang Wang; Hongbin Bei; Brian C. Sales; Karren L. More; Pengyuan Xiu; Lumin Wang; William J. Weber

doi:10.1016/j.actamat.2019.10.013

Effects of 3d electron configurations on helium bubble formation and void swelling in concentrated solid-solution alloys

Yanwen Zhang, Xing Wang, Yuri N. Osetsky, Yang Tong, Robert Harrison, Stephen E. Donnelly, Di Chen, Yongqiang Wang, Hongbin Bei, Brian C. Sales, Karren L. More, Pengyuan Xiu, Lumin Wang, William J. Weber

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

50 Scopus citations

Abstract

Elemental specific chemical complexity is known to play a critical role in microstructure development in single-phase concentrated solid-solution alloys (SP-CSAs), including both He bubble formation and irradiation-induced void swelling. While cavity formation and evolution under ion irradiation at elevated temperature are complex nonequilibrium processes, chemical effects are revealed at the level of electrons and atoms herein in a simplified picture, using Ni and a special set of Ni-based SP-CSAs composed of 3d transition metals as model alloys. Based on Ni and the model alloys with minimized variables (e.g., atomic mass, size, and lattice structure), we discuss the effects of chemically-biased energy dissipation, defect energetics, sluggish diffusion, and atomic transport on cavity formation and evolution under both self-ion Ni irradiation and He implantation. The observed difference in microstructure evolution is attributed to the effects of d electron interactions in their integrated ability to dissipate radiation energy. The demonstrated impact of alloying 3d transition metals with larger differences in the outermost electron counts suggests a simple design strategy for tuning defect properties to improve radiation tolerance in structural alloys.

Original language	English
Pages (from-to)	519-529
Number of pages	11
Journal	Acta Materialia
Volume	181
DOIs	https://doi.org/10.1016/j.actamat.2019.10.013
State	Published - Dec 2019

Funding

This work was supported as part of the Energy Dissipation to Defect Evolution (EDDE), an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Basic Energy Sciences, under contract number DE-AC05-00OR22725. Electron microscopy analyses were performed as part of a user proposal at ORNL's Center for Nanophase Materials Sciences (CNMS), which is a DOE Office of Science User Facility. Helium implantations were supported by the Center for Integrated Nanotechnologies (CINT), a DOE Office of Science User Facility jointly operated by the Los Alamos and Sandia national laboratories. B.C.S. was supported by the Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. The MIAMI-1 system at Huddersfield was funded by the UK Engineering and Physical Sciences Research Council (EPSRC) under grant number EP/E017266/1. This work was supported as part of the Energy Dissipation to Defect Evolution (EDDE), an Energy Frontier Research Center funded by the U.S. Department of Energy , Office of Science, Basic Energy Sciences, under contract number DE-AC05-00OR22725 . Electron microscopy analyses were performed as part of a user proposal at ORNL's Center for Nanophase Materials Sciences (CNMS), which is a DOE Office of Science User Facility. Helium implantations were supported by the Center for Integrated Nanotechnologies (CINT), a DOE Office of Science User Facility jointly operated by the Los Alamos and Sandia national laboratories. B.C.S. was supported by the Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. The MIAMI-1 system at Huddersfield was funded by the UK Engineering and Physical Sciences Research Council ( EPSRC ) under grant number EP/E017266/1 .

Funders	Funder number
B.C.S.
DOE Office of Science
DOE Office of Science user facility
Energy Frontier Research Center
Los Alamos and Sandia
ORNL's
U.S. Department of Energy
Office of Science
Basic Energy Sciences	DE-AC05-00OR22725
Sandia National Laboratories
Division of Materials Sciences and Engineering
Center for Integrated Nanotechnologies
Engineering and Physical Sciences Research Council	EP/M011135/1, EP/M028283/1, EP/E017266/1

Keywords

Cavity formation
Concentrated solid-solution alloys
Defect dynamics
Ion irradiation
Microstructure evolution

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10.1016/j.actamat.2019.10.013

Cite this

Zhang, Y., Wang, X., Osetsky, Y. N., Tong, Y., Harrison, R., Donnelly, S. E., Chen, D., Wang, Y., Bei, H., Sales, B. C., More, K. L., Xiu, P., Wang, L., & Weber, W. J. (2019). Effects of 3d electron configurations on helium bubble formation and void swelling in concentrated solid-solution alloys. Acta Materialia, 181, 519-529. https://doi.org/10.1016/j.actamat.2019.10.013

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title = "Effects of 3d electron configurations on helium bubble formation and void swelling in concentrated solid-solution alloys",

abstract = "Elemental specific chemical complexity is known to play a critical role in microstructure development in single-phase concentrated solid-solution alloys (SP-CSAs), including both He bubble formation and irradiation-induced void swelling. While cavity formation and evolution under ion irradiation at elevated temperature are complex nonequilibrium processes, chemical effects are revealed at the level of electrons and atoms herein in a simplified picture, using Ni and a special set of Ni-based SP-CSAs composed of 3d transition metals as model alloys. Based on Ni and the model alloys with minimized variables (e.g., atomic mass, size, and lattice structure), we discuss the effects of chemically-biased energy dissipation, defect energetics, sluggish diffusion, and atomic transport on cavity formation and evolution under both self-ion Ni irradiation and He implantation. The observed difference in microstructure evolution is attributed to the effects of d electron interactions in their integrated ability to dissipate radiation energy. The demonstrated impact of alloying 3d transition metals with larger differences in the outermost electron counts suggests a simple design strategy for tuning defect properties to improve radiation tolerance in structural alloys.",

keywords = "Cavity formation, Concentrated solid-solution alloys, Defect dynamics, Ion irradiation, Microstructure evolution",

author = "Yanwen Zhang and Xing Wang and Osetsky, {Yuri N.} and Yang Tong and Robert Harrison and Donnelly, {Stephen E.} and Di Chen and Yongqiang Wang and Hongbin Bei and Sales, {Brian C.} and More, {Karren L.} and Pengyuan Xiu and Lumin Wang and Weber, {William J.}",

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AU - Zhang, Yanwen

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AU - Harrison, Robert

AU - Donnelly, Stephen E.

AU - Chen, Di

AU - Wang, Yongqiang

AU - Bei, Hongbin

AU - Sales, Brian C.

AU - More, Karren L.

AU - Xiu, Pengyuan

AU - Wang, Lumin

AU - Weber, William J.

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N2 - Elemental specific chemical complexity is known to play a critical role in microstructure development in single-phase concentrated solid-solution alloys (SP-CSAs), including both He bubble formation and irradiation-induced void swelling. While cavity formation and evolution under ion irradiation at elevated temperature are complex nonequilibrium processes, chemical effects are revealed at the level of electrons and atoms herein in a simplified picture, using Ni and a special set of Ni-based SP-CSAs composed of 3d transition metals as model alloys. Based on Ni and the model alloys with minimized variables (e.g., atomic mass, size, and lattice structure), we discuss the effects of chemically-biased energy dissipation, defect energetics, sluggish diffusion, and atomic transport on cavity formation and evolution under both self-ion Ni irradiation and He implantation. The observed difference in microstructure evolution is attributed to the effects of d electron interactions in their integrated ability to dissipate radiation energy. The demonstrated impact of alloying 3d transition metals with larger differences in the outermost electron counts suggests a simple design strategy for tuning defect properties to improve radiation tolerance in structural alloys.

AB - Elemental specific chemical complexity is known to play a critical role in microstructure development in single-phase concentrated solid-solution alloys (SP-CSAs), including both He bubble formation and irradiation-induced void swelling. While cavity formation and evolution under ion irradiation at elevated temperature are complex nonequilibrium processes, chemical effects are revealed at the level of electrons and atoms herein in a simplified picture, using Ni and a special set of Ni-based SP-CSAs composed of 3d transition metals as model alloys. Based on Ni and the model alloys with minimized variables (e.g., atomic mass, size, and lattice structure), we discuss the effects of chemically-biased energy dissipation, defect energetics, sluggish diffusion, and atomic transport on cavity formation and evolution under both self-ion Ni irradiation and He implantation. The observed difference in microstructure evolution is attributed to the effects of d electron interactions in their integrated ability to dissipate radiation energy. The demonstrated impact of alloying 3d transition metals with larger differences in the outermost electron counts suggests a simple design strategy for tuning defect properties to improve radiation tolerance in structural alloys.

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Effects of 3d electron configurations on helium bubble formation and void swelling in concentrated solid-solution alloys

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