Description

The stress corrosion cracking (SCC) of metals requires a combination of static tensile stresses, a special chemical environment and, a susceptibility of the material. Unfavourable combinations of these conditions can lead to the initiation and propagation of cracks.

SKB Number

SKB FEP Number

C10

Main Category

Main category for FEP

Internal process

System Component

System component to which the FEP applies

Cast iron insert and copper canister

Handling

Explanation of how the FEP is treated

Intact canister. Neglected since stress corrosion cracking is considered unlikely and even if it occurred it would have no consequences for stability of the insert. Failed canister. Neglected.

References

Bibliographic references to obtain more information

SR-Site Fuel and canister process report, TR-10-46, Section(s) 1.10, 3.5.3