The synergetic effect of He and Kr irradiation on helium bubble evolution in SiC/SiC composite: Combining in-situ TEM observation with MD simulation

Xu, Shanshan; Zheng, Ce; Li, Xiaoqiang; Gao, Ning; Huang, Zijing; Zhang, Jian; Wei, Chong; Zhang, Cheng

doi:10.1016/j.jmst.2024.01.077

Journal of Materials Science & Technology

2024

DOI: 10.1016/j.jmst.2024.01.077

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The synergetic effect of He and Kr irradiation on helium bubble evolution in SiC/SiC composite: Combining in-situ TEM observation with MD simulation

Shanshan Xu,

Ce Zheng,

Xiaoqiang Li

et al.

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Progress in radiation tolerant materials: current insights from the perspective of grain size and environmental temperature

Kalita,

Parveen,

Ghosh

et al. 2024

Journal of Alloys and Compounds

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Progress in radiation tolerant materials: current insights from the perspective of grain size and environmental temperature

Kalita,

Parveen,

Ghosh

et al. 2024

Journal of Alloys and Compounds

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Structural damage and bubble evolution in SiC-ZrC composite irradiated with 500 keV He-ions at various temperatures

Zhu,

Niu,

Chai

et al. 2025

Journal of the European Ceramic Society

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Radiation Resistance of High-Entropy Alloys CoCrFeNi and CoCrFeMnNi, Sequentially Irradiated with Kr and He Ions

Amanzhulov,

Ivanov,

Uglov

et al. 2024

Materials

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This work studied the effect of sequential irradiation by krypton and helium ions at room temperature on the composition and structure of CoCrFeNi and CoCrFeMnNi high-entropy alloys (HEAs). Irradiation of the HEAs by 280 keV Kr14+ ions up to a fluence of 5 × 1015 cm–2 and 40 keV He2+ ions up to a fluence of 2 × 1017 cm–2 did not alter their elemental distribution and constituent phases. Blisters formed on the nickel surface after sequential irradiation, where large blisters had an average diameter of 3.8 μm. The lattice parameter of the (Co, Cr, Fe and Ni) and (Co, Cr, Fe, Mn and Ni) solid solutions increased by 0.17% and 0.37% after sequential irradiation, respectively. Irradiation by Kr ions led to a decrease in tensile macrostresses in the HEAs in the region of krypton ion implantation (Region I) and the formation of compressive macrostresses in the region behind the peak of implanted krypton (Region II). Sequential irradiation formed large compressive stresses in Ni and HEAs equal to −131.5 MPa, −300 MPa and −613.5 MPa in Ni, CoCrFeNi and CoCrFeMnNi, respectively, in the Region II. Irradiation by krypton ions decreased the dislocation density by 1.6–2.3 times, and irradiation with helium ions increased it by 11–15 times relative to unirradiated samples for CoCrFeNi and CoCrFeMnNi, respectively. Sequentially irradiated CoCrFeMnNi HEA had higher macrostresses and dislocation density than CoCrFeNi.

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The synergetic effect of He and Kr irradiation on helium bubble evolution in SiC/SiC composite: Combining in-situ TEM observation with MD simulation

Cited by 3 publications

References 66 publications

Progress in radiation tolerant materials: current insights from the perspective of grain size and environmental temperature

Progress in radiation tolerant materials: current insights from the perspective of grain size and environmental temperature

Structural damage and bubble evolution in SiC-ZrC composite irradiated with 500 keV He-ions at various temperatures

Radiation Resistance of High-Entropy Alloys CoCrFeNi and CoCrFeMnNi, Sequentially Irradiated with Kr and He Ions

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The synergetic effect of He and Kr irradiation on helium bubble evolution in SiC/SiC composite: Combining in-situ TEM observation with MD simulation

Cited by 3 publications

References 66 publications

Progress in radiation tolerant materials: current insights from the perspective of grain size and environmental temperature

Progress in radiation tolerant materials: current insights from the perspective of grain size and environmental temperature

Structural damage and bubble evolution in SiC-ZrC composite irradiated with 500 keV He-ions at various temperatures

Radiation Resistance of High-Entropy Alloys CoCrFeNi and CoCrFeMnNi, Sequentially Irradiated with Kr and He Ions

Contact Info

Product

Resources

About

Structural damage and bubble evolution in SiC-ZrC composite irradiated with 500 keV He-ions at various temperatures