Comparison between Subsequent Irradiation and Co-Irradiation into SIMP Steel.
Comparison between Subsequent Irradiation and Co-Irradiation into SIMP Steel.
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SIMP 钢后续辐照与联合辐照的比较
DOI：
10.3390/ma14061393
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发表时间：
2021-03-12
期刊：
影响因子：
--
通讯作者：
Li B
中科院分区：
文献类型：
--
作者：
Wang Y;Zhang T;Liao Q;Yang J;Gu W;Ren Y;Jia Z;Li B
现代中国铁素体/马氏体钢SIMP是加速器驱动次临界堆散裂靶的一种新型核结构材料。在这项工作中，为了探索该材料的抗辐射性能，我们研究了Fe和He离子同时辐照和Fe自离子预辐照SIMP钢的He注入的差异。辐照温度为300℃，辐照硬化用纳米压痕观察，晶格无序用透射电子显微镜观察。两种离子辐照后材料的微观结构有明显的差异。在共辐照的SIMP钢中观察到氦空洞，而在Fe预辐照的He注入中没有观察到氦空洞。同时，在两种不同的辐照条件下，Frank环的大小和密度也不同。讨论了观察到的不同晶格无序的原因。
A modern Chinese ferritic/martensitic steel SIMP, is a new perspective nuclear structural material for the spallation target in accelerator driven sub-critical system. In this work, aimed at exploring the radiation resistance properties of this material, we investigate the differences between simultaneous Fe and He ions irradiation and He implantation of SIMP steel pre-irradiated by Fe self-ions. The irradiations were performed at 300 °C. The radiation-induced hardening was evaluated by nano-indentation, while the lattice disorder was investigated by transmission electron microscopy. Clear differences were found in the material microstructure after the two kinds of the ion irradiation performed. Helium cavities were observed in the co-irradiated SIMP steel, but not the case of He implantation with Fe pre-irradiation. In the same time, the size and density of Frank loops were different in the two different irradiation conditions. The reason for the different observed lattice disorders is discussed.
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影响因子：
1.7
作者：
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通讯作者：
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