Results 1 to 10 of about 4,677 (183)

Study of Helium Swelling and Embrittlement Mechanisms in SiC Ceramics [PDF]

Crystals, 2022
This work is devoted to the study of the radiation damage kinetics and subsequent embrittlement of the near-surface layer of SiC ceramics subjected to irradiation with low-energy He2+ ions.
Kymbat M. Tynyshbayeva, Kayrat K. Kadyrzhanov, Artem L. Kozlovskiy, Yerzhan I. Kuldeyev, Vladimir Uglov, Maxim V. Zdorovets   +5 more
doaj   +6 more sources

Study of Helium Swelling in Nitride Ceramics at Different Irradiation Temperatures. [PDF]

Materials (Basel), 2019
This paper presents the results of a systematic study of helium swelling and the subsequent process of degradation of the near-surface layer of aluminum-based nitride ceramics. The samples were irradiated with 40 keV He2+ ions at temperatures of 300 and 1000 K with a fluence of 1 × 1017–5 × 1017 ions/cm2.
Zdorovets MV, Dukenbayev K, Kozlovskiy AL.   +2 more
europepmc   +5 more sources

Dramatic reduction of void swelling by helium in ion-irradiated high purity α-iron [PDF]

Materials Research Letters, 2018
Effect of helium on void swelling was studied in high-purity α-iron, irradiated using energetic self-ions to 157 displacements per atom (dpa) at 773 K, with and without helium co-implantation up to 17 atomic parts-per-million (appm) He/dpa.
Arunodaya Bhattacharya, Estelle Meslin, Jean Henry, Brigitte Décamps, Alain Barbu   +4 more
doaj   +4 more sources

A comprehensive study on the impact of He ion irradiation on the microstructure and mechanical properties of a Ni-Cr-Mo alloy [PDF]

Scientific Reports
The impact of helium ion irradiation on the evolution of microstructure and mechanical properties of a Ni-45%Cr-1.4%Mo (wt%) alloy has been investigated.
Sanjay Saini, Ranjini Menon, S. K. Sharma, P. Y. Nabhiraj, Suman Neogy, A. P. Srivastava   +5 more
doaj   +2 more sources

Mechanical and helium swelling responses of K-RAFM steels to Fe ion irradiation and helium implantation

Nuclear Materials and Energy
This study explores the effects of Fe ion irradiation and helium implantation on the mechanical and microstructural behaviors of K-RAFM steels. Through micropillar compression tests, we observed irradiation hardening, which manifested as an increase in ...
Sangeun Kim, Minkyu Ahn, Jinwoo Park, Gyeongsik Yu, Jinhyuk Kim, Hyung-Ha Jin, Chang-hoon Lee, Byung-Yong Yu, Weon Cheol Lim, Chansun Shin   +9 more
doaj   +2 more sources

Study of the Resistance of Lithium-Containing Ceramics to Helium Swelling

Ceramics
The paper presents the results of studies of the resistance of lithium ceramics to helium swelling during its accumulation in the structure of the near-surface layer, and the identification of the three types of lithium ceramics most resistant to ...
Artem L. Kozlovskiy, Dmitriy I. Shlimas, Daryn B. Borgekov, Maxim V. Zdorovets   +3 more
doaj   +2 more sources

The Enhanced Swelling Resistance of W/Cu Nanocomposites by Vacancy-Type Defects Self-Recovery

Crystals, 2022
In this study, the swelling resistance of W/Cu nanocomposites is investigated after helium irradiation at RT and 400 °C. The results show that W/Cu nanocomposites with interface structure present better resistance to helium swelling as compared with W ...
Huaican Chen, Yang Hai, Xiaozhi Zhan, Juping Xu, Xingzhong Cao, Tao Zhu, Wen Yin   +6 more
doaj   +1 more source

Microstructural evolution in ODS-EUROFER steel caused by high-dose He ion implantations with systematic variation of implantation parameters

Nuclear Materials and Energy, 2023
The paper presents a detailed analysis of helium (He) bubble development in ODS-EUROFER steel caused by helium ion implantation in different regimes, with a particular attention to the role of the oxide nanoparticles in promoting the growth of He bubbles,
O.V. Emelyanova, A. Gentils, V.A. Borodin, P.S. Dzhumaev, P.V. Vladimirov, R. Lindau, A. Möslang   +6 more
doaj   +1 more source

Study of Radiation Resistance to Helium Swelling of Li₂ZrO₃/LiO and Li₂ZrO₃ Ceramics

Crystals, 2022
The key aim of this paper is to study the presence effect of LiO impurity phases in Li2ZrO3 ceramics on the resistance to helium swelling and structural degradation during implanted helium accumulation in the near-surface layer structure.
Baurzhan Abyshev, Dmitriy I. Shlimas, Maxim V. Zdorovets, Yalkunzhan K. Arshamov, Artem L. Kozlovskiy   +4 more
doaj   +1 more source

Study of the Application Efficiency of Irradiation with Heavy Ions to Increase the Helium Swelling Resistance of BeO Ceramics

Metals, 2022
This paper considers the possibilities of increasing radiation resistance to helium swelling of beryllium oxide ceramics due to preliminary irradiation with heavy ions. Interest in this topic is due to the possibility of using these ceramics as materials
Maxim V. Zdorovets, Dmitriy I. Shlimas, Artem L. Kozlovskiy, Daryn B. Borgekov   +3 more
doaj   +1 more source