固溶处理制度对挤压态Mg-Zn-Y-Nd镁合金在模拟体液中腐蚀和析氢行为的影响规律研究

郏义征, 王保杰, 赵明君, 许道奎

Effect of Solid Solution Treatment on Corrosion and Hydrogen Evolution Behavior of an As-extruded Mg-Zn-Y-Nd Alloy in an Artificial Body Fluid

JIA Yizheng, WANG Baojie, ZHAO Mingjun, XU Daokui

表1 固溶处理前后挤压态Mg-6Zn-1.2Y-0.8Nd合金样品极化曲线的拟合结果

Table 1 Fitted parameters of polarization curves of as-extruded Mg-6Zn-1.2Y-0.8Nd alloy before and after T4 treatment

Condition	Pre-immersion time / h	E_corrV_SCE	I_corr10^-3 mA·cm^-2
Before T4	0	-1.574±0.15	7.9±0.5
After T4	0	-1.572±0.15	4.8±0.2
Before T4	2	-1.581±0.20	5.0±0.3
After T4	2	-1.624±0.15	3.6±0.2
Before T4	4	-1.525±0.10	4.1±0.3
After T4	4	-1.625±0.15	3.1±0.3
Before T4	8	-1.612±0.10	3.4±0.3
After T4	8	-1.606±0.15	2.0±0.1
Before T4	24	-1.620±0.25	2.2±0.2
After T4	24	-1.568±0.15	1.2±0.1
Before T4	48	-1.633±0.10	2.9±0.1
After T4	48	-1.584±0.15	1.9±0.1