Evolution dependence of vanadium nitride nanoprecipitates on directionality of ion irradiation

Tan, L.; Kim, B. K.; Was, G. S.

doi:10.1016/j.jnucmat.2017.09.001

Title: Evolution dependence of vanadium nitride nanoprecipitates on directionality of ion irradiation

Journal Article · Wed Sep 06 00:00:00 EDT 2017 · Journal of Nuclear Materials

DOI:https://doi.org/10.1016/j.jnucmat.2017.09.001· OSTI ID:1408631

^[1]; Kim, B. K. ^[1]; Was, G. S. ^[2]

Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Univ. of Michigan, Ann Arbor, MI (United States)

The influence of the directionality of Fe²⁺ ion irradiation on the evolution of vanadium nitride platelet–shaped nanoprecipitates at 500 °C was investigated in this paper in a ferritic alloy using transmission electron microscopy. When the ion-irradiation direction was approximately aligned with the initial particle length, particles grew longer and sectioned into shorter lengths at higher doses, resulting in increased particle densities. As ion-irradiation direction deviated from particle-length direction, some particles sectioned lengthwise and then dissolved, resulting in decreased particle densities. Surviving particles were transformed into parallelograms with a different orientation relationship with the matrix. Finally, nanoprecipitate evolution dependence on beam-nanoprecipitate orientation is a process that may be different from reactor irradiation.

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Research Organization:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE Office of Nuclear Energy (NE)

Grant/Contract Number:: AC05-00OR22725; AC07-05ID14517; AC07-051D14517

OSTI ID:: 1408631

Alternate ID(s):: OSTI ID: 1549987

Journal Information:: Journal of Nuclear Materials, Vol. 495; ISSN 0022-3115

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 4 works

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References (14)

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Effect of precipitates on high-temperature strength and irradiation behavior of vanadium-based alloys Jiang, Shao-ning; Xu, Li-qun; Wan, Fa-rong Journal of Iron and Steel Research International, Vol. 25, Issue 12 https://doi.org/10.1007/s42243-018-0167-3	journal	November 2018

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