磷酸钠浓度对40Cr钢耐蚀性能的影响

周炜龙, 郭玉冰, 胡梦茹, 沈凯杰, 杨正桓, 谢林君

Effect of Sodium Phosphate Concentration on Corrosion Resistance of 40Cr Steel

ZHOU Weilong, GUO Yubing, HU Mengru, SHEN Kaijie, YANG Zhenghuan, XIE Linjun

表1 40Cr钢在不同浓度Na3PO4溶液中的Ecorr与Icorr

Table 1 Ecorr and Icorr of 40Cr steel in Na3PO4 solution with different concentrations

C / mol·L-1 Ecorr / V Icorr / A·cm-2 1 × 10-4 -0.617 6.690 × 10-6 5 × 10-4 -0.603 6.528 × 10-6 1 × 10-3 -0.456 6.500 × 10-6 5 × 10-3 -0.424 5.430 × 10-6 1 × 10-2 -0.421 5.197 × 10-6