Table 1 Minimum, maximum, mean grain sizes, and number of analysed grains of the UO2 pellets doped with reference 0 ppm and 2000 ppm Mn in addition to Cr-doped UO2 with 2395 ppm Cr as addition5

From: The role of redox and structure on grain growth in Mn-doped UO2

 

0 ppm5

Mn 2000 ppm

Cr 2395 ppm5

Minimum, [µm]

0.4

0.4

4.9

Maximum, [µm]

41.7

41.7

290.1

Mean, [µm]

5.0

11.6

103.4

Number of grains

1745

858

401

  1. Note that grain size determination carries an uncertainty of ±0.8 µm.