Erosion characteristics of WCu/Ti3SiC2 electrical contact materials by arc discharge in various ambient atmospheres

被引：1
|
作者：
Zhou, Zijue [1 ]
Yang, Zeyin [1 ]
Wu, Yifan [1 ]
Liu, Liwen [1 ]
机构：
[1] Huainan Normal Univ, New Energy Mat & Technol Res Ctr, Huainan Res Ctr New Carbon Energy Mat, Sch Chem & Mat Engn,Anhui Key Lab Low Temp Cofired, Huainan 232038, Peoples R China
来源：
VACUUM | 2024年 / 220卷
关键词：
WCu alloy; Ti; 3; SiC; 2; phase; Arc erosion; Ambient atmosphere; MAX PHASES; CU; MICROSTRUCTURE; FABRICATION; COMPOSITES; BEHAVIOR; PROGRESS; WO3;
D O I：
10.1016/j.vacuum.2023.112821
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Arc erosion performances of electrical contacts are vital to guarantee the stable operation of electric power systems. In this work, arc erosion performances of WCu/Ti3SiC2 materials in SF6, CO2, O2, and Ar were systematically researched. Detachment of silicon layers from Ti3SiC2 occur in the 4 atm, Ti3SiC2 plays an important role in protecting the composites. Severe splashings and cavities are found on the eroded surfaces in CO2 and O2. Based on the arc energy densities and composition changes, arc erosion mechanisms of WCu/Ti3SiC2 in various atmospheres are proposed.
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页数：9
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