From high-entropy alloys to high-entropy ceramics: The radiation-resistant highly concentrated refractory carbide (CrNbTaTiW)C

Matheus Tunes; S.  Fritze; Barbara Osinger; Patrick Willenshofer; Andrew M. Alvarado; Enrique Martinez; Ashok S. Menon; Petter Ström; Graeme Greaves; E.  Lewin; Ulf Jansson; Stefan Pogatscher; Tarik A. Saleh; Vladimir M. Vishnyakov; Osman El-Atwani

doi:10.1016/j.actamat.2023.118856

From high-entropy alloys to high-entropy ceramics: The radiation-resistant highly concentrated refractory carbide (CrNbTaTiW)C

Matheus Tunes
, S. Fritze
, Barbara Osinger
, Patrick Willenshofer
, Andrew M. Alvarado
, Enrique Martinez
, Ashok S. Menon
, Petter Ström
, Graeme Greaves
, E. Lewin
, Ulf Jansson
, Stefan Pogatscher
, Tarik A. Saleh
, Vladimir M. Vishnyakov
, Osman El-Atwani

Lehrstuhl für Nichteisenmetallurgie (520)

Los Alamos National Laboratory
Uppsala University
Clemson University
University of Huddersfield

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Begutachtung

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Abstract

High-entropy materials represent the state-of-the-art on the alloy design strategy for future applications in extreme environments. Recent data indicates that high-entropy alloys (HEAs) exhibit outstanding radiation resistance in face of existing diluted alloy counterparts due to suppressed damage formation and evolution. An extension of the HEA concept is presented in this paper towards the synthesis and characterization of novel high-entropy ceramics as emergent materials for application in environments where energetic particle irradiation is a major concern. A novel carbide within the quinary refractory system CrNbTaTiW has been synthesized using magnetron-sputtering. The material exhibited nanocrystalline grains, single-phase crystal structure and C content around 50 at.%. Heavy-ion irradiation with in-situ Transmission Electron Microscopy was used to assess the irradiation response of the new high-entropy carbide (HEC) at 573 K and a comparison with the HEA within the system is made. No displacement damage effects appear within the microstructures of both HEA and HEC up to a dose of 10 displacements-per-atom. Surprisingly, the HEC has not amorphized under the investigated conditions. Xe was implanted in both materials and bubbles nucleated, but smaller sizes compared with conventional nuclear materials shedding light they are potential candidates for use in nuclear energy.

Originalsprache	Englisch
Aufsatznummer	118856
Seitenumfang	15
Fachzeitschrift	Acta Materialia
Jahrgang	250.2023
Ausgabenummer	15 May
DOIs	https://doi.org/10.1016/j.actamat.2023.118856
Publikationsstatus	Elektronische Veröffentlichung vor Drucklegung. - 21 März 2023

Bibliographische Notiz

Funding Information:
Funding for this research has been primarily provided by the European Research Council excellence science grant “TRANSDESIGN” under contract number 757961. The research presented in this article was supported by the Laboratory Directed Research and Development program established at the Los Alamos National Laboratory under the project numbers 20200689PRD2 and 20200511ECR. All the authors are grateful for the support provided by the MIAMI facilities at the University of Huddersfield by means of funding from the Engineering and Physical sciences Research Council (EPSRC) under the grants EP/E017266/1 and EP/M028283/1. The Austrian Research Promotion Agency (FFG) support in the project 3DnanoAnalytics (FFG-No. 858040) is also greatly appreciated. Infrastructural grants by VR-RFI [grant numbers 2017-00646_9, 2019_00191]; and SSF [contract RIF14-0053] supporting accelerator operation are gratefully acknowledged. Lars Riekehr is also acknowledged for his support with FIB and TEM at Uppsala University. MAT would like to thank Professor Yanwen Zhang (UTK/ORNL) for previous discussions regarding the results herein presented.

Funding Information:
Funding for this research has been primarily provided by the European Research Council excellence science grant “TRANSDESIGN” under contract number 757961 . The research presented in this article was supported by the Laboratory Directed Research and Development program established at the Los Alamos National Laboratory under the project numbers 20200689PRD2 and 20200511ECR . All the authors are grateful for the support provided by the MIAMI facilities at the University of Huddersfield by means of funding from the Engineering and Physical sciences Research Council (EPSRC) under the grants EP/E017266/1 and EP/M028283/1 . The Austrian Research Promotion Agency (FFG) support in the project 3DnanoAnalytics (FFG-No. 858040 ) is also greatly appreciated. Infrastructural grants by VR-RFI [grant numbers 2017-00646_9 , 2019_00191 ]; and SSF [contract RIF14-0053 ] supporting accelerator operation are gratefully acknowledged. Lars Riekehr is also acknowledged for his support with FIB and TEM at Uppsala University. MAT would like to thank Professor Yanwen Zhang (UTK/ORNL) for previous discussions regarding the results herein presented.

Publisher Copyright:
© 2023

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Tunes, M., Fritze, S., Osinger, B., Willenshofer, P., Alvarado, A. M., Martinez, E., Menon, A. S., Ström, P., Greaves, G., Lewin, E., Jansson, U., Pogatscher, S., Saleh, T. A., Vishnyakov, V. M., & El-Atwani, O. (2023). From high-entropy alloys to high-entropy ceramics: The radiation-resistant highly concentrated refractory carbide (CrNbTaTiW)C. Acta Materialia, 250.2023(15 May), Artikel 118856. Vorzeitige Online-Publikation. https://doi.org/10.1016/j.actamat.2023.118856

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abstract = "High-entropy materials represent the state-of-the-art on the alloy design strategy for future applications in extreme environments. Recent data indicates that high-entropy alloys (HEAs) exhibit outstanding radiation resistance in face of existing diluted alloy counterparts due to suppressed damage formation and evolution. An extension of the HEA concept is presented in this paper towards the synthesis and characterization of novel high-entropy ceramics as emergent materials for application in environments where energetic particle irradiation is a major concern. A novel carbide within the quinary refractory system CrNbTaTiW has been synthesized using magnetron-sputtering. The material exhibited nanocrystalline grains, single-phase crystal structure and C content around 50 at.\%. Heavy-ion irradiation with in-situ Transmission Electron Microscopy was used to assess the irradiation response of the new high-entropy carbide (HEC) at 573 K and a comparison with the HEA within the system is made. No displacement damage effects appear within the microstructures of both HEA and HEC up to a dose of 10 displacements-per-atom. Surprisingly, the HEC has not amorphized under the investigated conditions. Xe was implanted in both materials and bubbles nucleated, but smaller sizes compared with conventional nuclear materials shedding light they are potential candidates for use in nuclear energy.",

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Tunes, M, Fritze, S, Osinger, B, Willenshofer, P, Alvarado, AM, Martinez, E, Menon, AS, Ström, P, Greaves, G, Lewin, E, Jansson, U, Pogatscher, S, Saleh, TA, Vishnyakov, VM & El-Atwani, O 2023, 'From high-entropy alloys to high-entropy ceramics: The radiation-resistant highly concentrated refractory carbide (CrNbTaTiW)C', Acta Materialia, Jg. 250.2023, Nr. 15 May, 118856. https://doi.org/10.1016/j.actamat.2023.118856

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AU - Tunes, Matheus

AU - Fritze, S.

AU - Osinger, Barbara

AU - Willenshofer, Patrick

AU - Alvarado, Andrew M.

AU - Martinez, Enrique

AU - Menon, Ashok S.

AU - Ström, Petter

AU - Greaves, Graeme

AU - Lewin, E.

AU - Jansson, Ulf

AU - Pogatscher, Stefan

AU - Saleh, Tarik A.

AU - Vishnyakov, Vladimir M.

AU - El-Atwani, Osman

PY - 2023/3/21

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AB - High-entropy materials represent the state-of-the-art on the alloy design strategy for future applications in extreme environments. Recent data indicates that high-entropy alloys (HEAs) exhibit outstanding radiation resistance in face of existing diluted alloy counterparts due to suppressed damage formation and evolution. An extension of the HEA concept is presented in this paper towards the synthesis and characterization of novel high-entropy ceramics as emergent materials for application in environments where energetic particle irradiation is a major concern. A novel carbide within the quinary refractory system CrNbTaTiW has been synthesized using magnetron-sputtering. The material exhibited nanocrystalline grains, single-phase crystal structure and C content around 50 at.%. Heavy-ion irradiation with in-situ Transmission Electron Microscopy was used to assess the irradiation response of the new high-entropy carbide (HEC) at 573 K and a comparison with the HEA within the system is made. No displacement damage effects appear within the microstructures of both HEA and HEC up to a dose of 10 displacements-per-atom. Surprisingly, the HEC has not amorphized under the investigated conditions. Xe was implanted in both materials and bubbles nucleated, but smaller sizes compared with conventional nuclear materials shedding light they are potential candidates for use in nuclear energy.

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