Cause Analysis on Leakage of the Nickel base alloy bellows expansion joint
The causes of leakage of nickel base alloy bellows expansion joint were analyzed by means of macroscopic examination,chemical composition analysis,metallographic examination and energy spectrum analysis.Phosphoric acid or phosphate corrosion and intergranular corrosion tendency are the main reasons for the failure of expansion joints.Finally,the corresponding preventive measures are put forward.
nickel base alloy bellows expansion jointleakagephosphoric acid or phosphateintergranular corrosion
NETL
NSTL
万方数据
