Microstructure and tribological properties of SiC matrix composites infiltrated with an aluminium alloy

被引：10

作者：

Wang, Wei ^{[1
]}

Du, An ^{[1
]}

Fan, Yongzhe ^{[1
]}

Zhao, Xue ^{[1
]}

Wang, Xinghua ^{[2
]}

Ma, Ruina ^{[1
]}

Li, Qiang ^{[1
,2
,3
]}

机构：

[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China

[2] Hebei Univ Technol, Res Inst Energy Equipment Mat, Tianjin 300130, Peoples R China

[3] Yanshan Univ, Natl Engn Res Ctr Equipment & Technol Cold Strip, Qinhuangdao 066004, Hebei, Peoples R China

来源：

TRIBOLOGY INTERNATIONAL | 2018年 / 120卷

基金：

中国国家自然科学基金;

关键词：

Infiltration; Ti3Si(Al)C-2; Tribological properties; Microstructure; WEAR BEHAVIOR; MECHANICAL-PROPERTIES; TI3SIC2; FRICTION; COATINGS; FABRICATION; SILICON; PHASE;

D O I：

10.1016/j.triboint.2018.01.001

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A simple melt infiltration process was adopted to form Ti3Si(Al)C-2 on the surface of SiC ceramics. The Ti3Si(Al)C-2 content increases with longer infiltration at 900 degrees C. At 1000 degrees C, the reaction layer contains mainly TiC and SiC. The tribological properties of the samples were investigated by wear testing. The hardness of the SiC ceramic with a Ti3Si(Al)C-2 layer is 610 +/- 82 HV, while its friction coefficient is 0.34-0.38, which is 75% that of pristine SiC. The Ti3Si(Al)C-2 layer produced a good antifriction effect because plastic deformation occurs in the Ti3Si(Al)C-2, and Ti3Si(Al)C-2 debris continually fills in the grooves during wear.

引用

页码：369 / 375

页数：7

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