Page 114 - The Effect of Hydrogen and Hydrides - ebook first test

Table 4-7: Test matrix for PWR cladding:

(a) Irradiated PWR-48GWd/t-type Zircaloy-4; (b) irradiated PWR-39GWd/t- type Zircaloy-4; (c) irradiated
PWR-55GWd/t-type MDA and ZIRLO.

A: hydride reorientation test (constant hoop stress) and B: ring compression test.

Temperature Cooling Hoop stress (MPa)
rate

(a) (C) (K) (C/h) 0 (heat treatment 85 100 115 130 As-irradiated (no heat
without stress) treatment)
340 613 30 . . . . . . A+B . . . A+B B
300 573 A+B A+B A+B A A+B

275 548 A . . . A+B A+B A+B
250 523 . . . . . . A+B . . . A+B
300 573 3 A+B . . . ___ A+B A
0.6 . . . . . . ___ A+B . . .

(b Temperature Cooling Hoop stress (MPa)
) rate
(C) (K) (C/h) 0 (heat treatment 80 100 115 130 As-irradiated (no heat
without stress) treatment)
300 573 30 . . . . . . . . . . . . A . . .
(c) Temperature Cooling Hoop stress (MPa)
rate
(C) (K) (C/h) 0 (heat treatment 80 100 115 130 As-irradiated (no heat
without stress) treatment)

300 573 30 . . . . . . . . . A A . . .
© ANT International 2018

Copyright © Advanced Nuclear Technology International Europe AB, ANT International, 2019.