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

图9 250 ℃下不同轧制变形量Mg-8Li-4Gd-1.5Ni合金在3%KCl溶液中浸泡1 h后RD-ND面上表面形貌的SEM像及EDS面扫描结果

Fig.9 RD-ND surface SEM images and corresponding EDS element maps of rolled Mg-8Li-4Gd-1.5Ni alloy with deformations of 30% (a), 50% (b), 70% (c), and 90% (d) at 250 oC after soaking in 3%KCl solution for 1 h (Yellow arrows show the area where LPSO phase prevents corrosion, red arrows indicate that the corrosion is spreading further, blue arrow represents bulk LPSO phase)