Description

Fuel may crack as a consequence of He buildup from actinide decay. The cracking would change the surface area, influencing the dissolution rate. This is assumed not to occur, as pressures in fission gas bubbles in fuel are already extremely high and do not cause cracking.

OPA Category

Category as used in the OPA assessment

Spent fuel

OPA Number

Number as used in the OPA assessment

4.06

Waste Relevance

Classes of waste to which this FEP is relevant

SF

NEA V1 IFEP Reference(s)

Related IFEPs from the NEA V1 IFEP list from 1999

2.1.02, 2.1.13