Organosilanes Surface Modification of Zirconium Diboride Composite Engineering Ceramics and Its Effect on the Tribological Performance of Epoxy Composites

被引：5

作者：

Yang, Xiaolei ^{[1
]}

Yu, Zhiqiang ^{[1
]}

Wu, Yicheng ^{[1
]}

机构：

[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China

来源：

ADVANCED ENGINEERING MATERIALS | 2016年 / 18卷 / 04期

基金：

中国国家自然科学基金;

关键词：

SILANE COUPLING AGENTS; IN-SITU; FUNCTIONAL MODIFICATION; MECHANICAL-PROPERTIES; THERMAL-CONDUCTIVITY; PARTICLES; BEHAVIOR; NANOCOMPOSITES; POLYMER; ALUMINA;

D O I：

10.1002/adem.201500285

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Zirconium diboride/alumina composite particles are modified by three kinds of organosilanes. The modified particles are characterized by Fourier transform infrared spectrometer, X-ray photoelectron spectra, and transmission electron microscope. The results show that the organosilanes are successfully grafted onto the surfaces of composite particles by Al-O-Si bonds from the chemical reaction between particles and organosilanes, which makes contribution to reducing the agglomeration of particles in epoxy. The epoxy composites containing modified particles present higher tribological performances and more even distribution of the thermal flux which restrains the deterioration of the tribological properties caused by the concentration of friction heat.

引用

页码：542 / 549

页数：8

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