NDLI: High Temperature Oxidation of Polycrystalline Diamond Coated Zirconium Alloy

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Škarohlíd, Jan Škoda, Radek Kratochvílová, Irena
Copyright Year	2016
Abstract	Polycrystalline diamond coating is a promising possibility for prevention, or reduction of high temperature oxidation of zirconium alloys and decrease corrosion rate of zirconium alloy during standard operation. Zirconium alloys are widely used as cladding and construction material in almost all types of nuclear reactors, where usually creates a barrier between nuclear fuel and cooling water in the primary circuit. Hydrogen and considerable amount of heat is released during steam oxidation that may occur in an eventual accident. In this paper zirconium alloy was covered by polycrystalline diamond layer using Plasma Enhanced Linear Antennas Microwave Chemical Vapor Deposition system reactor. X-Ray Diffraction and Raman spectroscopy measurements confirmed coverage of the surface area with crystalline and amorphous carbon layer. Characterizations (Raman spectroscopy) were done for zirconium alloy covered with polycrystalline diamond layer before and after high temperature steam exposure. Weight increase and hydrogen release ware measured during steam exposure.
Sponsorship	Nuclear Engineering Division
File Format	PDF
ISBN	9780791850053
DOI	10.1115/ICONE24-60596
Volume Number	Volume 5: Student Paper Competition
Conference Proceedings	2016 24th International Conference on Nuclear Engineering
Language	English
Publisher Date	2016-06-26
Publisher Place	Charlotte, North Carolina, USA
Access Restriction	Subscribed
Subject Keyword	Water Building materials Hydrogen Circuits Diamonds X-ray diffraction High temperature Plasmas (ionized gases) Weight (mass) Oxidation Cladding systems (building) Diamond films Microwaves Zirconium alloys Cooling Raman spectroscopy Carbon Chemical vapor deposition High temperature steam Heat Nuclear fuels Corrosion Steam Nuclear reactors Accidents
Content Type	Text
Resource Type	Article

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