Environmental Engineering Reference
In-Depth Information
Table 1.2
Major components of NPP with BWR and their degradation mechanisms
Mechanisms of
Components
Corrosion
cracking
under stress
Creep
embrittlement
Hydrogen
embrittlement
Radioactive
Nuclear reactor
pressure vessel
X
X
Reactor containment
and base plate
X
X
X
The pipe reactor
coolant
Steam generator tubes
X
Circulation pump
Volume compensator
X
Control rod
X
Safety and communica-
tions csbles
X
Emergency diesel
generator
Reactor internals
X
X
Support reactor
X
X
Feed-pipe, nozzle
and housing of steam
generator
X
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