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Metals
Special Issues
Radiation Damage of Alloys
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Radiation Damage of Alloys

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Structural Integrity of Metals".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 1562

Special Issue Editors

Dr. Xunxiang Hu

E-Mail Website
Guest Editor
College of Physics, Sichuan University, Chengdu 610065, China
Interests: neutron irradiation; radiation damage; neutron moderator; fusion materials; positron annihilation spectroscopy
Dr. Weicheng Zhong

E-Mail Website
Guest Editor
Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
Interests: advanced steels; radiation damage; advanced characterization; structure – property correlations

Special Issue Information

Dear Colleagues,

Rising global energy demand and the adverse environmental impact of fossil energy sources have led to renewed interest in increasing the share of energy coming from nuclear fission and fusion. Since the performance of nuclear materials is of utmost importance, concerning reactor safety and economy, radiation damage of alloys used or to be used as structural or fuel materials in nuclear environments must be thoroughly investigated in order to facilitate its deployment in advanced fission and fusion reactors or to benefit the life extension of the current fleet of nuclear power plants. This Special Issue therefore aims to present the latest research progress that advances our understanding of radiation damages in alloys for nuclear application. We are inviting researchers in the field of radiation damage to submit their original work to this Special Issue. We encourage submissions in a wide range of topics related to advanced alloys, including the fundamentals of radiation damage, ion irradiation, neutron irradiation, radiation-induced property degradation, advanced characterization of radiation damage, multiscale modeling and simulation, synergistic effect of radiation and other environmental factors, etc.

Dr. Xunxiang Hu
Dr. Weicheng Zhong
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • radiation damage
  • alloys for nuclear application
  • advanced characterization
  • ion irradiation
  • neutron irradiation
  • multiscale modeling and simulation
  • radiation effects

Published Papers (1 paper)

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Research

14 pages, 3070 KiB  
Article
Phase Formation Features of Reactor Pressure Vessel Steels with Various Ni and Mn Content under Conditions of Neutron Irradiation at Increased Temperature
by Evgenia Kuleshova, Ivan Fedotov, Dmitriy Maltsev, Svetlana Fedotova, Georgiy Zhuchkov and Alexander Potekhin
Metals 2023, 13(4), 654; https://doi.org/10.3390/met13040654 - 25 Mar 2023
Cited by 2 | Viewed by 1111
Abstract
In this paper the phase formation and mechanical properties of VVER-type reactor pressure vessel (RPV) steels with various Ni (1.57–5.95 wt.%) and Mn (0.03–0.76 wt.%) content after neutron irradiation up to fluences in the range of (53–120) × 1022 n/m2 at [...] Read more.
In this paper the phase formation and mechanical properties of VVER-type reactor pressure vessel (RPV) steels with various Ni (1.57–5.95 wt.%) and Mn (0.03–0.76 wt.%) content after neutron irradiation up to fluences in the range of (53–120) × 1022 n/m2 at 400 °C were studied. The possibility of carbonitride formation under these irradiation conditions is shown. In case of sufficient Ni (>1.5 wt.%) and Mn (>0.3 wt.%) content formation of Ni-Si-Mn precipitates is observed. Their chemical composition is close to G-phase and Γ2-phase and differs from that of radiation-induced precipitates in VVER-1000 RPV steels. This indicates the prerequisites for thermally conditioned mechanism of Ni-Si-Mn precipitates formation and growth at 400 °C enhanced by irradiation. It is also shown that the optimized steel manufacturing technology coupled with an ultralow Mn content (≤0.03 wt.%) in steel with increased up to 5.26 wt.% Ni content facilitates suppressing the Ni-Si-Mn precipitates and carbonitrides formation. This, in turn, reduces the contribution of the hardening embrittlement mechanism and, correspondingly, facilitates high radiation resistance of the steels with ultralow Mn content at the increased irradiation temperature (400 °C). Full article
(This article belongs to the Special Issue Radiation Damage of Alloys)
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