[G] Corrosion and Protection

10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[217] Relationship between preferential hydrogen permeation pathway and grain boundary in polycrystalline Ni

○Yuto Uegaki¹, Youhei Hirohata¹, Takumi Haruna¹ (1. Kansai Univ.)

Keywords:

Hydrogen embrittlement,Scanning blue laser-enhanced electrochemical microscope,Hydrogen permeation pathway,Grain boundary,Nickel

In this study, we applied a scanning blue laser-enhanced electrolchemical microscope capable of dynamically visualizing localized hydrogen migration to investigate the relationship between hydrogen permeation pathway and grain boundary in nickel.