Tribological characteristics of Si3N4-based composites in unlubricated sliding against steel ball

被引：16

作者：

Liu, CC ^{[1
]}

Huang, JL ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Mat Sci & Engn, Tainan 701, Taiwan

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2004年 / 384卷 / 1-2期

关键词：

silicon nitride; Si3N4-based composites; wear; friction;

D O I：

10.1016/j.msea.2004.06.027

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The dry-sliding wear mechanism of Si3N4-based composites against AISI-52100 steel ball was studied using a ball-on-disc mode in a reciprocation motion. The addition of TiN particles can increase the fracture toughness of Si3N4-based composites. The fracture toughness of Si3N4-based composites played an important role for wear behavior. The Si3N4-based composites exhibits a small friction and wear coefficient compared to monolithic Si3N4. Atomic force microscopy (AFM) studies displayed fine wear grooves along the sliding traces. The subsurface deformation shows that the microcrack propagation extends along the TiN/Si3N4 grain interface. The wear mechanisms were determined with scanning electron microscopy, transmission electron microscopy, X-ray diffraction and atomic force microscopy. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：299 / 307

页数：9

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