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5 细晶CuCr50触头阴极斑点起始扩散过程分布

Fig.5 Distribution of fine-grained CuCr50 contact cathode spot initiation diffusion process (a) 3 kA, (b) 6 kA, (c) 9 kA, (d) 15 kA