热轧加工工艺对快速降解<strong>Mg-Li</strong>合金力学性能及腐蚀行为的影响

热轧加工工艺对快速降解Mg-Li合金力学性能及腐蚀行为的影响

庞梦瑶, 巫瑞智, 马晓春, 靳思远, 于哲, Boris Krit

Effect of Hot Rolling Process on Mechanical Property and Corrosion Behavior of Rapidly Degrading Mg-Li Alloy

PANG Mengyao, WU Ruizhi, MA Xiaochun, JIN Siyuan, YU Zhe, Boris Krit

表1 250 ℃下不同轧制变形量Mg-8Li-4Gd-1.5Ni合金在3.0%KCl溶液中的EIS拟合结果

Table 1 EIS fitting results of rolled Mg-8Li-4Gd-1.5Ni alloy with different deformations at 250 ^oC after soaking in 3.0%KCl solution

Deformation %	R_s Ω·cm²	CPE₁ s $^{n_{1}}$ ·Ω^-1·cm^-2	n₁	R_f Ω·cm²	CPE₂ s $^{n_{2}}$ ·Ω^-1·cm^-2	n₂	R_ct Ω·cm²	L H
30	32.94	4.84 × 10^-4	0.63	3.22	7.06 × 10^-5	0.96	5.95	2.31
50	31.24	6.05 × 10^-5	0.82	3.28	1.07 × 10^-4	0.92	5.46	2.17
70	31.46	1.11 × 10^-4	0.80	2.67	1.01 × 10^-4	0.77	3.94	1.61
90	31.42	6.57 × 10^-2	0.83	1.33	1.13 × 10^-4	0.99	2.71	1.37