地质处置低氧过渡期X65低碳钢腐蚀行为研究

刘灿帅,田朝晖,张志明,王俭秋,韩恩厚

Corrosion Behaivour of X65 Low Carbon Steel During Redox State Transition Process of High LevelNuclear Waste Disposal

Canshuai LIU,Zhaohui TIAN,Zhiming ZHANG,Jianqiu WANG,En-Hou HAN

表3 X65低碳钢在80 ℃低氧饱和膨润土中腐蚀产物的平均元素组成

Table 3 Average elemental composition of corrosion products with typical morphologies formed on X65 low carbon steel in saturated bentonite at 80 ℃

Species O Fe Na Mg Al Si S Cl Ca Mn Block 42.14 54.69 0.46 0.55 0.58 0.32 0.22 0.14 0.25 0.65 Slice 56.05 39.47 0.51 1.18 0.91 0.64 0.23 0.13 0.50 0.38 Rod 56.65 40.07 0.34 0.83 1.06 0.21 0.15 0.06 0.30 0.33 Swelling 55.06 39.71 1.45 0.78 0.53 0.66 0.26 0.23 0.38 0.94