United States Nuclear Regulatory Commission - Protecting People and the Environment

Cladding

The thin-walled metal tube that forms the outer jacket of a nuclear fuel rod. It prevents corrosion of the fuel by the coolant and the release of fission products into the coolant. Aluminum, stainless steel, and zirconium alloys are common cladding materials.

Page Last Reviewed/Updated Thursday, November 20, 2014