Ultrahigh-Temperature Ceramic Based on ZrB2-SiC: Preparation and Main Properties

被引：6

作者：

Sokolov, P. S. ^{[1
]}

Arakcheev, A. V. ^{[1
]}

Mikhal'chik, I. L. ^{[1
]}

Plyasunkova, L. A. ^{[1
]}

Tkachev, A. V. ^{[1
]}

Anuchin, S. A. ^{[1
]}

Kordo, M. N. ^{[1
]}

Lanin, A. V. ^{[1
]}

Zabezhailov, A. O. ^{[1
]}

Kelina, I. Yu. ^{[1
]}

Rusin, M. Yu. ^{[1
]}

机构：

[1] AO ONPP AG Romashin Tekhnol, Obnisk, Kaluga Region, Russia

来源：

REFRACTORIES AND INDUSTRIAL CERAMICS | 2017年 / 58卷 / 01期

关键词：

ultra-high temperature ceramic materials (UHTCM); ceramic based on ZrB2-SiC; hot pressing (HP); zirconium diboride; silicon carbide; MECHANICAL-PROPERTIES; COMPOSITES;

D O I：

10.1007/s11148-017-0052-9

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：

Hot pressing of commercially available powders is used to prepare dense ceramic based on ZrB2 -SiC with different additives (Si3N4, TiSi2, ZrSi2, MoSi2). The main physicomechanical properties are measured in macro-specimens: ultimate strength in static three-point bending at room temperature 400 - 600 MPa, Vickers microhardness up to 15 GPa, and critical stress intensity factor up to 5.9 MPa center dot m(1/2). Average LTEC, thermal diffusivity, thermal conductivity, and oxidation resistance over a wide temperature range are determined. Altogether the ceramic properties obtained are at the level of published indices.

引用

页码：46 / 52

页数：7

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