[G] Metals

9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[4] Effect of relative humidity on the atmospheric corrosion rate of iron subjected to dry-wet cyclic treatment

○Naoya Kanatani¹, Kenta Takuma¹, Youhei Hirohata¹, Takumi Haruna¹ (1. Kansai Univ.)

Keywords:

steel materials,atmospheric corrosion,rust,dry-wet cycles,corrosion rate

Atmospheric corrosion of steel with chloride-containing rust is accelerated by formation and disappearance of thin electrolyte films. In this study, Fe specimens with NaCl-containing rust were subjected to 20 dry-wet cycles at RH 84%, and the effect of RH on the weight gain rate was examined.