Silicon carbide matrix composites reinforced with two-dimensional titanium carbide - Manufacturing and properties

被引：33

作者：

Wozniak, Jaroslaw ^{[1
]}

Petrus, Mateusz ^{[1
]}

Cygan, Tomasz ^{[1
]}

Jastrzebska, Agnieszka ^{[1
]}

Wojciechowski, Tomasz ^{[2
]}

Ziemkowska, Wanda ^{[2
]}

Olszyna, Andrzej ^{[1
]}

机构：

[1] Warsaw Univ Technol, Fac Mat Sci & Engn, Ul Wotoska 141, PL-02507 Warsaw, Poland

[2] Warsaw Univ Technol, Fac Chem, Noakowskiego 3, PL-00664 Warsaw, Poland

来源：

CERAMICS INTERNATIONAL | 2019年 / 45卷 / 06期

关键词：

Sintering; Composites; SiC; MECHANICAL-PROPERTIES; GRAPHENE; NANOSHEETS; BEHAVIOR; MICROSTRUCTURE; OXIDES;

D O I：

10.1016/j.ceramint.2018.12.149

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：

Within this paper, it is explored how two-dimensional Ti2C sheets addition affects silicon carbide matrix composites in terms of the microstructure and mechanical properties. In order to consolidate the powder mixtures, powder metallurgy processing followed by Spark Plasma Sintering was performed to prepare the sinters. According to our knowledge, this is the first attempt to apply delaminated MXene phases as a reinforcing phases of ceramic matrix composites. The delaminated MXene phases were characterized using a high-resolution transmission microscope (HRTEM) and X-ray photoelectron spectroscopy (XPS). Significant improvement of the fracture toughness and hardness for the composites reinforced with 1.5 wt% 2D Ti2C compared to the reference sample were observed. It is expected that the applied reinforcing phase will have an influence on the fracture mechanism, and so this has also been investigated. Two of the main mechanisms of crack propagations (crack deflection and bridging) were observed.

引用

页码：6624 / 6631

页数：8

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