What is Corium (nuclear reactor)?
'''Corium''' (also called '''fuel containing material (FCM)''' or '''lava-like fuel containing material (LFCM)''') is a [[lava]]-like fuel containing [[nuclear fuel]], [[fission products]], [[control rod]]s, structural materials from the affected parts of the reactor, products of their [[chemical reaction]] with air, water and steam, and, in the event that the reactor vessel is breached, molten concrete from the floor of the reactor room. It is created in a [[nuclear reactor]]'s [[Nuclear reactor core|core]] while a [[nuclear meltdown]] occurs. [[Nuclear fuel]], [[fission products]], and [[control rod]]s are what consists of Corium. {{chemistry-stub}} [[Category:Nuclear physics]]