干湿比对CrNiMoV钢在120 mmol/L NH4H2PO4溶液中电化学腐蚀行为的影响

王通, 孟惠民, 郭维华, 葛鹏飞, 巩秀芳, 倪荣, 龚显龙, 戴君, 隆彬, 李全德

Influence of Dry-wet Ratio on Electrochemical Corrosion Behavior of CrNiMoV Steel in 120 mmol/L NH4H2PO4 Solution

WANG Tong, MENG Huimin, GUO Weihua, GE Pengfei, GONG Xiufang, NI Rong, GONG Xianlong, DAI Jun, LONG Bin, LI Quande

表1 在1R钢和2R在不同浸泡条件实验21 d后的表面粗糙度及表面积比参数

Table 1 Surface roughness and specific surface area of the 1R steel and 2R steel, which were tested in different immersion conditions for 21 d

Steels Condition Surface roughness / μm Specific surface area Ra Rq Rz 1R Dry/wet=0 0.7 0.8 4.0 1.5 Dry/wet=1/3 1.3 1.7 7.6 2.0 Dry/wet=1 1.7 2.0 8.1 2.3 Dry/wet=3 4.3 5.3 25.9 5.3 2R Dry/wet=0 0.8 1.0 4.3 1.6 Dry/wet=1/3 1.5 1.8 8.0 2.1 Dry/wet=1 2.1 2.5 11.3 2.5 Dry/wet=3 4.8 6.1 28.4 6.0