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Title: Nuclear fuel management and boron carbide coating
Authors: İzmir, Abdullah İlker
Balcı, Suna
Uslu, İbrahim
Keywords: Nuclear fuels
Nükleer yakıtlar
Nuclear fuel management
Nükleer yakıt yönetimi
Boron carbide coating
Bor karbür kaplama
Issue Date: Oct-2000
Publisher: Turkish Atomic Energy Authority
Citation: İzmir, A. İ., Balcı, S., Uslu, İ. (2000). Nuclear fuel management and boron carbide coating. I. Eurasia Conference on Nuclear Science and Its Application, Presentations, Vol 1, (s. 201-204). 23-27 October 2000. İzmir, Turkey.
Abstract: In recent years one way of introducing burnable absorber is to coat the fuel pellets by a thin layer of burnable absorber so called integral fuel burnable absorber (IFBA). In this method the fuel is coated with boron nitride or boron carbide. Boron has low absorption cross-section and when it exists on the surface of the fuel, it interacts with thermalised neutron. B4C is a boron compound, which can be used for coating the nuclear fuel. It has high thermal stability and withstands high pressure and temperatures. High technology product of boron carbide has different ratio of B: C. But in nuclear reactor when boron carbide is used, it must be rich with boron. In this research chemical vapor decomposition (CVD) has been using boron trichloride and carbon tetra chloride for reactant materials. The experiments were carried out at high temperatures (1050°C, 1225°C and 1325°C). The coated samples were analyzed using X-Ray difractometer (XRD), scanning electron microscopy (SEM) and will be presented in this paper. It was seen that decreasing the reaction temperature caused an increase on the quality and thickness of the coating.
Description: I. Avrasya Nükleer Bilimler ve Uygulamaları Konferansı : 23-27 Ekim 2000. İzmir, Türkiye.
Appears in Collections:I. Eurasia conference on nuclear science and its application : presentations, 23-27 October 2000. İzmir, Turkey.

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