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Helium ions irradiation-induced surface damage in Fe-based melt-spun ribbons
Wei YH; Zhang K(张坤); Zhao ZQ; Li YS; Wei BC(魏炳忱)
发表期刊Journal of Iron and Steel Research International
2018-01
卷号25页码:268-274
摘要

The Fe78Si8B14 and Fe78P8B14 ribbons with different wheel speeds were prepared by melt-spinning, and their responses to He+ ion irradiation were investigated. Previous studies had shown that the ion beam resistance capability of amorphous ribbons was better than their corresponding crystalline counterparts. However, no significant changes on the surface at low fluence are observed. At a relatively higher fluence, both the ribbons prepared at low and high wheel speeds behave the similar irradiation responses: peeling, flaking and multi-layer damages occur. The fully amorphous ribbons prepared at a high wheel speed can accommodate partial incident ions owing to the inherent disordered structure. As the irradiation fluence increases, they fail to accommodate the excess incident ions, which easily aggregate to result in the surface damage. While the partial amorphous ribbons prepared at a low wheel speed possess lots of unstable crystalline grain boundaries owing to the precipitation of Si- or P-rich phase, which may act as the source for the irradiation-induced defects annihilation. Results show that the size and the fraction of precipitate phases in amorphous matrix may play a dominated role in resisting the ion irradiation.

关键词Melt-spinning Ion irradiatIon Fe-based Melt-spun Ribbon Damage Precipitate Phase
收录类别SCI
语种英语
WOS记录号WOS:000430057400004
课题组名称NML空间材料物理力学
力学所作者排名1
引用统计
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/73156
专题国家微重力实验室
通讯作者Zhang K(张坤); Wei BC(魏炳忱)
推荐引用方式
GB/T 7714
Wei YH,Zhang K,Zhao ZQ,et al. Helium ions irradiation-induced surface damage in Fe-based melt-spun ribbons[J]. Journal of Iron and Steel Research International,2018,25:268-274.
APA Wei YH,Zhang K,Zhao ZQ,Li YS,&Wei BC.(2018).Helium ions irradiation-induced surface damage in Fe-based melt-spun ribbons.Journal of Iron and Steel Research International,25,268-274.
MLA Wei YH,et al."Helium ions irradiation-induced surface damage in Fe-based melt-spun ribbons".Journal of Iron and Steel Research International 25(2018):268-274.
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