Arc ablation properties of Ti3SiC2 material

被引：34

作者：

Huang, Xiaochen ^{[1
,2
]}

Feng, Yi ^{[3
]}

Qian, Gang ^{[3
]}

Zhou, Zijue ^{[3
]}

机构：

[1] Bengbu Univ, Sch Mat & Chem Engn, Bengbu 233030, Anhui, Peoples R China

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

[3] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2019年 / 45卷 / 16期

基金：

中国国家自然科学基金;

关键词：

MAX; Arc ablation; Oxides; Electromagnetic force; Three-dimensional laser scanning confocal microscope; EROSION BEHAVIOR; OXIDATION BEHAVIOR; CONTACT MATERIALS; AG-SNO2; CONTACT; MAX PHASES; CATHODE; BREAKDOWN; TI3ALC2; COMPOSITE;

D O I：

10.1016/j.ceramint.2019.06.305

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The arc ablation properties of Ti3SiC2 material are systematically studied. The breakdown current increases with increasing load voltage from 3 kV to 10 kV. The results from an energy dispersive spectroscope, the Raman spectra, and X-ray photoelectron spectroscopy show that Ti3SiC2 is decomposed and oxidized to TiO2 and SiO2 by electric arcs. The breakdown strength first decreases, and then increases with breakdown times, arising from more and more oxides formed on the Ti3SiC2 surface. By means of field-emission scanning electron microscopy and a three-dimensional laser scanning confocal microscope, cracks, pores and pits are observed on the ablated Ti3SiC2 surface. The characteristics of element distributions are attributed to gravity, plasma forces and to the electromagnetic force, which is affected by the value of breakdown current.

引用

页码：20297 / 20306

页数：10

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