(Gd, Y)相对GW103K时效合金局部腐蚀的影响
于爽1,2,贾瑞灵1(
),张函1,2,张伟2,郭锋1
),张函1,2,张伟2,郭锋1
Effect of (Gd, Y) Containing-phases on Local Corrosion of Aged GW103K Alloy
Shuang YU1,2,Ruiling JIA1(),Han ZHANG1,2,Wei ZHANG2,Feng GUO1
),Han ZHANG1,2,Wei ZHANG2,Feng GUO1
图 5. 时效处理193 h的GW103K合金在3.5 % NaCl溶液中浸泡后的SEM腐蚀形貌
Fig.5. The corrosion morphologies of GW103K alloy aged 193 h after immersion in 3.5% NaCl solution (a) Corrosion morphology of GW103K alloy aged 193 h after immersion for 2 h; (b) Corrosion morphology of chain-like structure at grain boundary after immersion for 30 min; (c) Corrosion morphology of chain-like structure at grain boundary after immersion for 2 h; (d) Corrosion morphology of chain-like structure in grain within after immersion for 2 h
