Beam-contamination-induced compositional alteration and its neutron-atypical consequences in ion simulation of neutron-induced void swelling

Gigax, Jonathan G.; Kim, Hyosim; Aydogan, Eda; Garner, Frank A.; Maloy, Stuart Andrew; Shao, Lin

doi:10.1080/21663831.2017.1323808

Beam-contamination-induced compositional alteration and its neutron-atypical consequences in ion simulation of neutron-induced void swelling

Journal Article · Tue May 16 00:00:00 EDT 2017 · Materials Research Letters

DOI:https://doi.org/10.1080/21663831.2017.1323808· OSTI ID:1422930

Gigax, Jonathan G. ^[1]; Kim, Hyosim ^[1]; Aydogan, Eda ^[2]; Garner, Frank A. ^[1]; Maloy, Stuart Andrew ^[2]; Shao, Lin ^[1]

Texas A & M Univ., College Station, TX (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Although accelerator-based ion irradiation has been widely accepted to simulate neutron damage, neutron-atypical features need to be carefully investigated. In this study, we have shown that Coulomb force drag by ion beams can introduce significant amounts of carbon, nitrogen, and oxygen into target materials even under ultra-high vacuum conditions. The resulting compositional and microstructural changes dramatically suppress void swelling. By applying a beam-filtering technique, introduction of vacuum contaminants is greatly minimized and the true swelling resistance of the alloys is revealed and matches neutron behavior closely. These findings are a significant step toward developing standardized procedures for emulating neutron damage.

View Accepted Manuscript (DOE)

Research Organization:: Los Alamos National Laboratory (LANL)

Sponsoring Organization:: USDOE Office of Nuclear Energy (NE)

Grant/Contract Number:: AC52-06NA25396; NE0008297

OSTI ID:: 1422930

Report Number(s):: LA-UR-18-20847

Journal Information:: Materials Research Letters, Journal Name: Materials Research Letters Journal Issue: 7 Vol. 5; ISSN 2166-3831

Publisher:: Taylor and FrancisCopyright Statement

Country of Publication:: United States

Language:: English

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Carbon Contamination During Ion Irradiation - Accurate Detection and Characterization of its Effect on Microstructure of Ferritic/Martensitic Steels Wang, Jing; Toloczko, Mychailo B.; Kruska, Karen Scientific Reports, Vol. 7, Issue 1 https://doi.org/10.1038/s41598-017-15669-y	journal	November 2017
Study of Nanostructure of Ferritic-Martensitic Steel ChS-139 in Initial State and after Fe Ion Irradiation Rogozhkin, S. V.; Iskandarov, N. A.; Lukyanchuk, A. A. Inorganic Materials: Applied Research, Vol. 9, Issue 2 https://doi.org/10.1134/s2075113318020247	journal	March 2018
Magnetic Properties of Proton Irradiated Mn3Si2Te6 van der Waals Single Crystals Martinez, L. M.; Saiz, C. L.; Cosio, A. MRS Advances, Vol. 4, Issue 40 https://doi.org/10.1557/adv.2019.260	journal	January 2019
Magnetic Properties of Proton Irradiated Fe2.7GeTe2 Bulk Crystals Olmos, R.; Cosio, A.; Saiz, C. L. MRS Advances, Vol. 4, Issue 40 https://doi.org/10.1557/adv.2019.277	journal	January 2019
The Effect of Internal Free Surfaces on Void Swelling of Irradiated Pure Iron Containing Subsurface Trenches Wang, Tianyao; Kim, Hyosim; Garner, Frank A. Crystals, Vol. 9, Issue 5 https://doi.org/10.3390/cryst9050252	journal	May 2019
Microstructure and Mechanical Properties of Ti + N Ion Implanted Cronidur30 Steel Jin, Jie; Wang, Wei; Chen, Xinchun Materials, Vol. 12, Issue 3 https://doi.org/10.3390/ma12030427	journal	January 2019
Effect of Helium on Dispersoid Evolution under Self-Ion Irradiation in A Dual-Phase 12Cr Oxide-Dispersion-Strengthened Alloy Kim, Hyosim; Wang, Tianyao; Gigax, Jonathan G. Materials, Vol. 12, Issue 20 https://doi.org/10.3390/ma12203343	journal	October 2019

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