KnE Material Sciences

ISSN: 2519-1438

The latest conference proceedings on physical materials, energy materials, electrical materials.

The Study of the Properties of Uranium Dioxide Pellets Depending on the Parameters of Pressing and Sintering

Published date:May 06 2018

Journal Title: KnE Material Sciences

Issue title: 15th International School-Conference "New Materials – Materials of Innovative Energy" (MIE)

Pages:471–479

DOI: 10.18502/kms.v4i1.2200

Authors:
Abstract:

The paper presents dilatometric research of uranium dioxide pellets, fabricated by compaction at different pressure values. Temperature observed at sintering start is determined and it is pointed out that this temperature doesn’t depend on compaction pressure.

Keywords: uranium dioxide, compaction, sintering, dilatometry, shrink curves, geometric density, pycnometric density.

References:

[1] Advanced fuel pellet materials and designs for water cooled reactors IAEA-TECDOC- 1416, IAEA, Vienna, 2004.


[2] Kotelnikov R.B., Bashlykov S.N., Kashtanov A.I.. Menshikova T.S. High-temperature nuclear fuel Atomizdat, 1978, 432 p.


[3] Majorov A.A., Braverman I.B. The technology of obtaining powders of ceramic uranium dioxide Energoatomizdat 1985, 127 p.


[4] Baranov, V.G., Devyatko, Yu.N., Tenishev, A.V., Khlunov, A.V., Khomyakov, O.V. Sintering of oxide nuclear fuel: Plastic flow mechanism. (2013) Journal of Nuclear Materials 432 (1-3) PP. 52 - 56 http://dx.doi.org/10.1016/j.jnucmat.2012.07.050


[5] Wilkinson D.S., Ashby M.F. Pressure sintering by power law creep Acta Metallurgica. 1975. Vol. 23. Is. 11. P. 1277-1285


[6] Baranov, V.G., Kuzmin, R.S., Tenishev, A.V., Khlunov, A.V., Ivanov, A.V., Petrov, I.V., Timoshin, I.S. Sintering parameters for uranium-gadolinium oxide fuel pellets. (2012) Atomic Energy 112 (4) PP. 303 - 306 http://dx.doi.org/10.1007/s10512-012- 9561-2


[7] Baranov, V.G., Kuzmin, R.S., Tenishev, A.V., Khlunov, A.V., Ivanov, A.V., Petrov, I.V., Timoshin, I.S. Sintering particulars of pelletized oxide nuclear fuel. (2011) Atomic Energy 110 (3) PP. 172 - 177 http://dx.doi.org/10.1007/s10512-011-9407-3

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