Description

If the copper shell is breached and groundwater comes into contact with the cast iron insert, electrochemical reactions on the copper surface will influence the corrosion of the insert.

SKB Number

SKB FEP Number

C09

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. Not relevant. Failed canister. Neglected, as influence of galvanic corrosion under oxygen-free, reducing conditions lies within the margins of error for the corrosion rate of the iron insert.

References

Bibliographic references to obtain more information

SR-Site Fuel and canister process report, TR-10-46, Section(s) 1.10, 3.5.2