Effect of irradiation by ultra-violet (UV) light on stress corrosion cracki
ng (SCC) of sensitized SUS304 stainless steel in a deaerated 10(-3) kmol.m(
-3) NaCl solution has been investigated by using a slow strain rate testing
(SSRT) apparatus with a dynamic observation system. The SCC initiation was
inhibited by the UV light irradiation to the specimen during SSRT. Change
in the light intensity led to the change in crack initiation frequency. The
maximum inhibition effect was observed at an optimum intensity. However, c
rack propagation rate showed almost no significant dependence on any irradi
ation conditions.