2018 Fall Meeting

Presentation information

Oral presentation

V. Nuclear Fuel Cycle and Nuclear Materials » 505-2 Waste Disposal and Its Environmental Aspects

[1E13-17] Overpack

Wed. Sep 5, 2018 4:20 PM - 5:40 PM Room E (A34 -A Building)

Chair:Atsushi Fujishima(NUMO)

5:20 PM - 5:35 PM

[1E17] Carbon steel corrosion by iron-corroding microbial community in compacted buffer materials

*Toru Nagaoka1, Shin-ichi Hirano1, Norio Matsumoto1, Yuki Amano2 (1. CRIEPI, 2. JAEA)

Keywords:bio-corrosion, carbon steel, microbial community, buffer material, compacted bentonite

湖沼底泥より集積培養した鉄腐食性微生物群集を用いて、乾燥密度の異なる緩衝材中にて炭素鋼試験片の腐食試験を実施した結果、複数種の微生物が相乗的に腐食挙動に関与している可能性が明らかとなった。