Compatibility between Be-V alloy and F82H steel

Tsuchiya, Kunihiko ; Namekawa, Yoji; Ishida, Takuya

Beryllium alloys such as Be-Ti and Be-V have been expected as promising candidates for advanced neutron multipliers of DEMO blankets from viewpoints of high melting point, high beryllium content, low radio activation, good chemical stability. In this study, the compatibility between Be-V alloy and F82H was investigated. The Be-7at%V specimens that includes Be and Be $_{12}$ V phases were tested. From the XRD analysis of the specimens after annealing of the Be-V alloy in contact with F82H, reaction products such as BeNi and Be $_{2}$ Fe were observed on the surface of F82H. The thickness of reaction layer between Be-V alloy and F82H was about 10m. Thus, it has been clarified that compatibility between Be-V alloy and F82H is better than that between Be and F82H.

Language	:	English
Journal	:	Journal of Nuclear Materials
Volume	:	386-388
Number	:
Pages	:	p.1056 - 1059
Publication Year/Month	:	2009/04
Meeting title	:	13th International Conference on Fusion Reactor Materials (ICFRM-13)
Held date	:	2007/12
Location (city)	:	Nice
Location (country)	:	France
Patent information	:
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Paper URL	:	https://doi.org/10.1016/j.jnucmat.2008.12.273
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	no keyword
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Registration No. : BB20071582
JAEA Abstracts No. : 37000724
Paper Submission No. : 5760

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