Contribution to fuel element fabrication of UO2 pellets using lower sintering temperatures

Abdel-Azim, M. S.

doi:10.1016/0022-3115(94)90326-3

Cited by 3 publications

(1 citation statement)

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“…Generally the sintering can be enhanced by using fine powders due to the increasing of the surface activity [9], which is directly related to the particle size and morphology. It is generally known that finer powders have an excess surface energy which serves as a driving force for the sintering process, and hence attain higher density than coarser powders [10].…”

Section: Pellet Fabrication With Milled Uo 2 Powdermentioning

confidence: 99%

Improvement of the sinterability of thermally-treated UO2 powder by horizontal rotary ball milling

et al. 2001

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Horizontal rotary ball milling has been demonstrated to be a useful method for reducing the particle size of ceramic powder in remote operation in shielded hot cells. Techniques, equipment and operating parameters, such as milling media, media wear and rotor speed were investigated with Al 2 O 3 powder to evaluate its performance prior to contamination with nuclear fuel material. The established operating parameters were then verified with UO 2 powder, which had been produced by a thermal process to make fuel pellets. The sintering of the milled UO 2 powder showed the higher sintered densities obtainable by the milling, and the milling process seemed to be an important factor in improving the powder characteristics.

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Section: Pellet Fabrication With Milled Uo 2 Powdermentioning

confidence: 99%