环境因素对X100钢表面钝化膜性能的影响

赵阳, 梁平, 史艳华, 张云霞

Influence of Environmental Factors on Property of Passive Film Formed on X100 Pipeline Steel

ZHAO Yang, LIANG Ping, SHI Yanhua, ZHANG Yunxia

表1 不同实验条件下的溶液组成

Table 1 Solution compositions used for different experimental conditions

Experimental condition Solution composition Temperature / ℃ 20 0.5 mol/L NaHCO3 40 0.5 mol/L NaHCO3 60 0.5 mol/L NaHCO3 pH 9.27 0.05 mol/L NaHCO3＋0.25 mol/L Na2CO3 9.78 0.25 mol/L NaHCO3＋0.25 mol/L Na2CO3 10.84 0.05 mol/L NaHCO3＋0.5 mol/L Na2CO3 Cl-/molL-1 0.001 0.5 mol/L NaHCO3＋0.001 mol/L NaCl 0.003 0.5 mol/L NaHCO3＋0.003 mol/L NaCl 0.005 0.5 mol/L NaHCO3＋0.005 mol/L NaCl