Mechanical properties of B4C-SiC composites fabricated by hot-press sintering

被引：47

作者：

So, Sung Min ^{[1
,2
]}

Choi, Woo Hyuk ^{[3
]}

Kim, Kyoung Hun ^{[1
]}

Park, Joo Seok ^{[1
]}

Kim, Min Suk ^{[2
]}

Park, Jongee ^{[4
]}

Lim, Yun-Soo ^{[3
]}

Kim, Hyung Sun ^{[2
]}

机构：

[1] Korea Inst Ceram Engn & Technol, Jinju 52851, South Korea

[2] Inha Univ, Informat Mat Lab, Mat Engn, Incheon 22212, South Korea

[3] Myongji Univ, Dept Mat Sci & Engn, Yongin 17058, Gyeonggi Do, South Korea

[4] ATILIM Univ, Dept Met & Mat Engn, TR-06836 Ankara, Turkey

来源：

CERAMICS INTERNATIONAL | 2020年 / 46卷 / 07期

关键词：

B4C; SiC; Composite; Hot-press sintering; Mechanical property; SILICON-CARBIDE; BORON-CARBIDE; HARDNESS; TOUGHNESS; STRENGTH;

D O I：

10.1016/j.ceramint.2019.12.222

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：

We fabricated boron carbide-silicon carbide (B4C-SiC) composites by hot-press sintering without additives and evaluated the crystal phase, relative density, microstructure, and mechanical properties of the sintered body. When B4C and SiC were uniformly dispersed in the composite, crystal growth was inhibited, and a sintered body with a fine and uniform microstructure, with improved mechanical properties, was fabricated. The relative density of B4C-SiC composites sintered at temperatures lower than 2000 degrees C and 40 MPa of pressure exceeded 99.8%, and the bending strength and Vickers hardness at B4C 50 wt% were 645 MPa and 30.6 GPa, respectively.

引用

页码：9575 / 9581

页数：7

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