微合金化对高锰奥氏体钢在酸性盐雾环境下的耐蚀性能影响研究

常雪婷, 宋嘉琪, 王冰, 王东胜, 陈文聪, 王海丰

Effect of Micro-alloying with Cr, N and Al on Corrosion Resistance of High Manganese Austenitic Steel in Acidic Salt Spray Environment

CHANG Xueting, SONG Jiaqi, WANG Bing, WANG Dongsheng, CHEN Wencong, WANG Haifeng

表1 微合金化高锰钢极化曲线拟合结果

Table1 Polarization curve fitting results of WH-HMS

Salt spray time / h

E_corr / V_SCE

I_corr / 10^-6A·cm^-2

β_a / mV·dec^-1

β_c / mV·dec^-1

C-rate / 10^-3 mm·a^-1

168

240

-0.7041

-0.6885

-0.7078

-0.7197

-0.6772

5.328

4.119

2.997

4.889

1.962

0.093

0.091

0.064

0.075

0.063

0.091

0.070

0.086

0.062

5.230

4.043

2.942

4.809

1.925