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Fatigue Crack Initiation In Zr-2.5Nb Tested In Heavy-Water At 300°C

Product Number: ED22-17233-SG

Author: H.M. Nordin, A.J. Phillion, Q. Wang, M. Lenzi, H.Yu, T.M. Karlsen

Publication Date: 2022

$20.00

Pressure tubes, manufactured from Zr-2.5Nb, are used within a CANDU power reactor to contain the fuel bundles and coolant forming the primary pressure boundary in the core with an expected operating lifetime of 25 years. As part of the Canadian Standards Association (CSA) fitness-for-service requirements for pressure tubes, flaws or stress risers that potentially lead to cracks cannot exist in pressure tubes in operating reactors. Flaws may include: fuel bundle scratches, crevice corrosion marks, fuel bundle bearing pad fretting flaws and debris fretting flaws.

Products tagged with 'zr-2.5nb'

Fatigue Crack Initiation In Zr-2.5Nb Tested In Heavy-Water At 300°C

Association for Materials Protection and Performance