Physical Properties and Their Influence on Irradiation Damage in Metal Diborides and in High-Entropy Materials

Zhang, Yan; Khanolkar, Amey R.; Bawane, Kaustubh K.; Dennett, Cody A.; Hua, Zilong; Gofryk, Krzysztof; Kombaiah, Boopathy; Guo, Weiming; Liu, Yang; Weber, William J.; Zhang, Yanwen; Lin, Hua-Tay

doi:10.1007/s11837-024-06486-6

Cited by 1 publication

(1 citation statement)

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“…A recent study showed that the crystalline structure of (HfNbTaTiZr)B 2 remained stable after 10 MeV Au + irradiation at 0.44 dpa at room temperature. 44 However, this compositionally complex boride underwent a volume expansion up to 1.98% in comparison with only 0.66% volume swelling, calculated from 0.22% lattice expansion in (ZrNbTaTi)C after 3 MeV Zr 2+ to 20 dpa at room temperature. 37 These comparisons suggest that CCCs may possess a better irradiation resistance than other compositionally complex ceramics such as oxides, nitrides, or borides, rendering them the preferred choice of irradiation-resistant ceramic materials for further investigations.…”

Section: A Phase Stabilitymentioning

confidence: 94%

Compositionally complex carbide ceramics: A perspective on irradiation damage

Trinh,

Wang,

Bawane

et al. 2024

Journal of Applied Physics

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Extensive experimental and computational studies have demonstrated outstanding physical and chemical properties of the novel materials of compositionally complex carbides (CCCs), enabling their promising applications in advanced fission and fusion energy systems. This perspective provides a comprehensive overview of radiation damage behavior reported in the literature to understand the fundamental mechanisms related to the impact of multi-principal metal components on phase stability, irradiation-induced defect clusters, irradiation hardening, and thermal conductivity of compositionally complex carbides. Several future research directions are recommended to critically evaluate the feasibility of designing and developing new ceramic materials for extreme environments using the transformative “multi-principal component” concept. Compared to the existing materials for nuclear applications including stainless steels, nickel alloys, ZrC, SiC, and potentially high-entropy alloys, as well as certain other compositionally complex ceramic families. CCCs appear to be more resistant to amorphization, growth of irradiation defect clusters, and void swelling.

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Section: A Phase Stabilitymentioning

confidence: 94%