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Porous UO2Bodies Produced by Reduction of U3O8

 

作者: WashburnT. N.,  

 

期刊: Nuclear Applications and Technology  (Taylor Available online 1970)
卷期: Volume 8, issue 1  

页码: 23-28

 

ISSN:0550-3043

 

年代: 1970

 

DOI:10.13182/NT70-A28630

 

出版商: Taylor&Francis

 

数据来源: Taylor

 

摘要:

Porous UO2microspheres, or kernels, can be produced by reduction of fired U3O8kernels to the lower oxidation state. The temperature at which the U3O8kernel is fired is a major parameter in establishing the degree of porosity, and subsequent reduction from the U3O8state must be carefully controlled to prevent formation of internal cracks. Restricting the furnace temperature to<1000°C and providing small incremental increases in the quantity of reducing gas added to the furnace inert atmosphere produced well-distributed porosity in the ceramic body without creating cracks in the internal structure of the kernel.

 

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