粗晶/细晶CuCr50触头材料的电弧运动行为及其烧蚀特性

刘彪, 王军, 袁召, 王哲, 常延丽, 李青山

Arc Motion Behavior and Ablation Characteristics of Coarse-grained/Fine-grained CuCr50 Contact Materials

LIU Biao, WANG Jun, YUAN Zhao, WANG Zhe, CHANG Yanli, LI Qingshan

图3 粗晶/细晶CuCr50触头材料的SEM形貌

Fig.3 SEM images of coarse-grained/fine-grained CuCr50 contact material (a) coarse-grained CuCr50, (b) fine-grained CuCr50