Journal
JOURNAL OF NUCLEAR MATERIALS
Volume 487, Issue -, Pages 91-95Publisher
ELSEVIER
DOI: 10.1016/j.jnucmat.2017.02.012
Keywords
Silicon carbide; Joining; Irradiation; Advanced reactor; Shear strength
Funding
- General Atomics' Internal Research and Development Funding
- WFO [NFE-13-04486]
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This paper reports on a nuclear-grade joining material for bonding of silicon carbide-based components. The joint material is fabricated via a hybrid preceramic polymer, chemical vapor infiltration process. The joint is comprised entirely of beta-SiC and results in excellent mechanical and permeability performance. The joint strength, composition, and microstructure have been characterized before and after irradiation to 4.5 dpa at 730 degrees C in the High Flux Isotope Reactor. The hybrid preceramic polymer-chemical vapor infiltrated joint exhibited complete retention of shear strength and no evidence of microstructural evolution or damage was detected following irradiation. (C) 2017 Elsevier B.V. All rights reserved.
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