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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)
Source PublicationJournal of Iron and Steel Research International
2018-01
Volume25Pages:268-274
ISSN1006-706X
Abstract

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.

KeywordMelt-spinning Ion irradiatIon Fe-based Melt-spun Ribbon Damage Precipitate Phase
Indexed BySCI
Language英语
WOS IDWOS:000430057400004
DepartmentNML空间材料物理力学
ClassificationQ3
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/73156
Collection国家微重力实验室
Corresponding AuthorZhang K(张坤); Wei BC(魏炳忱)
Recommended Citation
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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