Mechanical properties and tribological characteristics of B4C-SiC ceramic composite in artificial seawater

被引：9

作者：

Chen, Wei ^{[1
,2
]}

Wenhui, Hao ^{[2
]}

Zhao, Ziqiang ^{[2
]}

He, Nairu ^{[2
]}

Xiuqing, Li ^{[1
]}

Li, Huaqiang ^{[3
]}

机构：

[1] Henan Univ Sci & Technol, Natl Joint Engn Res Ctr Abras Control & Molding M, Kaiyuan Ave, Luoyang 471023, Henan, Peoples R China

[2] Shaanxi Univ Sci Technol, Coll Mech & Elect Engn, Xian, Shaanxi, Peoples R China

[3] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Shaanxi, Peoples R China

来源：

JOURNAL OF ASIAN CERAMIC SOCIETIES | 2021年 / 9卷 / 04期

基金：

中国博士后科学基金;

关键词：

Boron carbide; silicon carbide; toughness; friction and wear; seawater; HIGH-TEMPERATURE; BORON-CARBIDE; WEAR; BEHAVIORS; CORROSION; ALLOY; MICROSTRUCTURE; COUNTERBODY;

D O I：

10.1080/21870764.2021.1986202

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：

To improve the mechanical properties and tribological characteristics of boron carbide (B4C) ceramic, silicon carbide (SiC) as an incorporation phase was added into boron carbide matrix. The results showed that, the incorporation of SiC phase led to denser microstructure and lower porosity. When SiC content was 20 wt.%, the bending strength and fracture toughness of the ceramic composite were 447.6MPa and 7.21 MPa.m(1/2), respectively. Under seawater lubrication, the friction coefficient of B4C-20%SiC was lowered to 0.052, and the wear rate of ceramic composite was lower than the magnitude of 10(-6)mm(3)/Nm. The excellent tribological performance was attributed to lubricating, cooling of seawater, and tribochemical reaction.

引用

页码：1495 / 1505

页数：11

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