Application of pulsed multi-ion irradiations in radiation damage research: A stochastic cluster dynamics simulation study

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS

卷:427

Article

Hoang, Tuan L.^1,2  Nazarov, Roman³  Kang, Changwoo¹  Fan, Jiangyuan¹ 

[1] Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77840 USA

[2] Texas A&M Engn Expt Stn, College Stn, TX 77840 USA

[3] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

关键词: Multi-ion irradiation;    Pulsed ion-irradiation;    Stochastic cluster dynamics;    Synergistic effects;   

DOI  :  10.1016/j.nimb.2018.04.033

来源: Elsevier

【 摘 要 】

Under the multi-ion irradiation conditions present in accelerated material-testing facilities or fission/fusion nuclear reactors, the combined effects of atomic displacements with radiation products may induce complex synergies in the structural materials. However, limited access to multi-ion irradiation facilities and the lack of computational models capable of simulating the evolution of complex defects and their synergies make it difficult to understand the actual physical processes taking place in the materials under these extreme conditions. In this paper, we propose the application of pulsed single/dual-beam irradiation as replacements for the expensive steady triple-beam irradiation to study radiation damages in materials under multi-ion irradiation.

【 授权许可】

Free