Nodular corrosion a local corrosion occurring on the surface of zirconium alloys usually in boiling water reactors (BWR), directly affects service life of the zirconium cladding and threatens the safety of reactors.

• 疖状腐蚀是沸水堆中锆合金表面经常发生的1种局部腐蚀现象,它的产生直接影响包壳管的使用寿命和反应堆的安全性。