Comparison of Electrical Ablation Properties Between Pantograph Materials: Ti3AlC2 and Cu-Ti3AlC2

被引：0

作者：

Huang Xiaochen ^{[1
]}

Feng Yi ^{[2
]}

Qian Gang ^{[2
]}

Ge Jinlong ^{[1
]}

Zhang Xianfeng ^{[1
]}

Wang Chuanhu ^{[1
]}

机构：

[1] Bengbu Coll, Res Ctr Silicon Based New Mat Engn Technol, Bengbu 233030, Peoples R China

[2] Hefei Univ Technol, Hefei 230009, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2020年 / 49卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Ti3AlC2; Cu-Ti3AlC2; arc erosion; high speed camera; VACUUM-ARC CHARACTERISTICS; EROSION BEHAVIOR; MECHANICAL-PROPERTIES; CONTACT; MICROSTRUCTURE; COMPOSITE; PHASES;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electrical ablation properties of typical pantograph materials Ti3AlC2 as well as Cu-Ti3AlC2 were analyzed at 2, 5, 7 and 9 kV. The results show that the arc life of Cu-Ti3AlC2 is shorter than that of Ti3AlC2. The breakdown current shows the same condition. High speed camera was employed to record the arc morphologies of the two materials. The arc on Ti3AlC2 is more concentrated than that of Cu-Ti3AlC2, accompanied with more droplet splashes. The eroded surfaces of the two materials were observed by scanning electron microscopy (SEM). Compared to the eroded Cu-Ti3AlC2, Ti3AlC2 surface is more uneven, covered by "holes", "microcracks" and "splashes". The arc energy at different voltages was calculated. It shows that the arc energy of Cu-Ti3AlC2 material is less than that of Ti3AlC2 material at the same voltage. Raman spectrometer was used to determine the composition of the eroded surfaces. Summarizing the experimental results, it can be found that Cu-Ti3AlC2 is more suitable for pantograph material.

引用

页码：34 / 41

页数：8

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