Investigation on the feasibility of the interaction between NiO and Mo oxide for self-healing intelligence on the nuclear fuel cladding. Issue 12 (2nd December 2019)

• Record Type: Journal Article
• Authors: Duan, Zhengang; Yang, Huilong; Kano, Sho; McGrady, John; Gao, Shixin; Zhou, Yi; Li, Yuanming; Abe, Hiroaki
• Is Part Of: Journal of nuclear science and technology. Volume 56:Issue 12(2019)
• Page Start: 1103
• Page End: 1109
• Publication Date: 2019-12-02
• Subjects: Self-healing -- coating -- fuel cladding -- molybdate -- high temperature -- light water reactors (LWRs); Nuclear engineering -- Periodicals; Nuclear physics -- Periodicals; Nuclear energy -- Periodicals; 621.4805
• DOI: 10.1080/00223131.2019.1641443
• Languages: English
• ISSNs: 0022-3131

Abstract

ABSTRACT: The feasibility of NiO-MoO3 reaction as a complement for the self-healing reaction proposed in our previous study is assessed in high-temperature aqueous environment. NiMoO4 ·nH2 O and crystal α-NiMoO4 are produced in an aqueous environment by Ni(OH)2 -MoO3 and NiO-MoO3 reactions, of which the starting temperature is about 100°C. NiMoO4 ·nH2 O is completely dehydrated into β-NiMoO4 when annealed at about 600°C in air. Therefore, NiO-MoO3 reaction is expected to self-heal the cracks as a supplement of Fe2 O3 -MoO3 reaction in the high-temperature aqueous environment.