Laser Ablation Behavior of W/ZrC Cermet Fabricated by Displacive Compensation of Porosity (DCP) Method

被引：1

作者：

Yu Yi-Ping ^{[1
]}

Wang Song ^{[1
]}

Li Wei ^{[1
]}

机构：

[1] Natl Univ Def Technol, Sci & Technol Adv Ceram Fibers & Composites Lab, Changsha 410073, Hunan, Peoples R China

来源：

JOURNAL OF INORGANIC MATERIALS | 2017年 / 32卷 / 12期

关键词：

W/ZrC cermet; laser ablation; microstructure; REACTIVE MELT INFILTRATION; COMPOSITES; TUNGSTEN;

D O I：

10.15541/jim20170089

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：

W/ZrC cermet was successfully fabricated by a Displacive Compensation of Porosity method, and then laser ablation behaviors of W/ZrC cermet under different laser energy and ablation time were studied. Results showed that a small ablation pit was produced on the W/ZrC cermet during the laser ablation, and depth of the ablation pit increased with increasing laser power and prolonging ablation time. Besides, several homocentric loops which had different kinds and microstructures of oxides were formed around the ablation pit. The volatilization of residual Cu and formation of ZrO2 layer played significant roles in protecting W/ZrC cermet from being further oxidized during the laser ablation.

引用

页码：1332 / 1336

页数：5

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