Influence of MXene (Ti3C2) Phase Addition on the Microstructure and Mechanical Properties of Silicon Nitride Ceramics

被引：23

作者：

Wozniak, Jaroslaw ^{[1
]}

Petrus, Mateusz ^{[1
]}

Cygan, Tomasz ^{[1
]}

Lachowski, Artur ^{[1
]}

Adamczyk-Cieslak, Boguslawa ^{[1
]}

Moszczynska, Dorota ^{[1
]}

Jastrzebska, Agnieszka ^{[1
]}

Wojciechowski, Tomasz ^{[2
]}

Ziemkowska, Wanda ^{[2
]}

Olszyna, Andrzej ^{[1
]}

机构：

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

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

来源：

MATERIALS | 2020年 / 13卷 / 22期

关键词：

sintering; composites; mechanical properties; Si3N4; THERMAL-STABILITY; FRACTURE-TOUGHNESS; FABRICATION; TRANSFORMATION; OXIDATION; SINTER; OXIDES;

D O I：

10.3390/ma13225221

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper discusses the influence of Ti3C2 (MXene) addition on silicon nitride and its impact on the microstructure and mechanical properties of the latter. Composites were prepared through powder processing and sintered using the spark plasma sintering (SPS) technic. Relative density, hardness and fracture toughness, were analyzed. The highest fracture toughness at 5.3 MPa center dot m(1/2) and the highest hardness at HV5 2217 were achieved for 0.7 and 2 wt.% Ti3C2, respectively. Moreover, the formation of the Si2N2O phase was observed as a result of both the MXene addition and the preservation of the alpha-Si3N4 ->beta-Si3N4 phase transformation during the sintering process.

引用

页码：1 / 11

页数：11

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