ITO增强相对AgSnO_(2)电接触材料微观结构和性能的影响  

Effect of ITO Reinforcement Phase on Microstructure and Properties of AgSnO_(2) Electrical Contact Materials

作　　者：刘笑 李波[2] 周光华 吴小龙[2] 王江[1] 黄锡文[2] 蒙柳方 LIU Xiao;LI Bo;ZHOU Guanghua;WU Xiaoong;WANG Jiang;HUANG Xiwen;MENG Liufang(School of Materials Science and Engineering,Guilin University of Electronic Technology,Guililn 541004,China;Guilin Electrical Equipment Scientific Research Institute,Guilin 541004,China)

机构地区：[1]桂林电子科技大学材料科学与工程学院,广西桂林541004 [2]桂林电器科学研究院有限公司,广西桂林541004

出　　处：《电工材料》2024年第4期21-24,共4页Electrical Engineering Materials

基　　金：广西信息材料重点实验室(201032-Z)。

摘　　要：采用合金粉末预氧化法制备了新型AgSnO_(2)(10)ITO(5)电触头材料,并与相同氧化物含量的AgSnO_(2)(10)In_(2)O_(3)(5)进行了对比。结果表明,高含量的导电氧化物ITO替代In_(2)O_(3)后电寿命比AgSnO_(2)(10)In_(2)O_(3)(5)提升了30%,达到6万次。连续通断试验后的电弧特性研究和形貌分析表明,球磨后的样品电弧能量平均值下降明显,熔焊力减少且稳定。表面烧蚀坑数量明显减少,存在大量沙粒状小液珠。导电氧化物ITO有望成为Ag基电触头材料的新型高含量氧化物掺杂物,具有潜在的研究价值。A new AgSnO_(2)(10)ITO(5)electrical contact material was prepared by alloy powder pre-oxidation method compared with AgSnO_(2)(10)In_(2)O_(3)(5)with the same oxide content.The results show that the high content of conductive oxide ITO replacing In_(2)O_(3) improved the electrical life by 30% compared to AgSnO_(2)(10)In_(2)O_(3)(5)to 60000 cycles.The arc characteristics study and morphological analysis after continuous pass-through experiments show that the average arc energy of the samples after ball milling decreased significantly,and the fusion welding force was reduced and stable.The number of surface ablation pits was significantly reduced and a large number of small sandy liquid beads were present.The conductive oxide ITO is expected to be a new high-content oxide dopant for Ag-based electrical contact materials with potential research value.

关 键 词：ITO 电触头材料 球磨 电寿命 

分 类 号：TM501[电气工程—电器] TG115[金属学及工艺—物理冶金]