Processing and Mechanical Properties of Ultra-high Molecular Weight Polyethylene Reinforced by Silver Nanoparticles

被引：6

作者：

Kang, Xueqin ^{[1
]}

Yao, Chi ^{[1
]}

Qiao, Lei ^{[1
]}

Ge, Gaofeng ^{[1
]}

Feng, Peizhong ^{[1
]}

机构：

[1] China Univ Min & Technol, Xuzhou 221116, Jiangsu, Peoples R China

来源：

POLYMERS & POLYMER COMPOSITES | 2017年 / 25卷 / 09期

基金：

中国国家自然科学基金;

关键词：

UHMWPE; Silver nanoparticles; Friction and wear; Composite material; TRIBOLOGICAL PROPERTIES; UHMWPE COMPOSITES; WEAR-RESISTANCE; GAMMA-RAY; REPLACEMENT; FRICTION;

D O I：

10.1177/096739111702500906

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The present study was designed to investigate the mechanical performance of ultra high molecular weight polyethylene (UHMWPE) reinforced by silver nanoparticles. The Ag/UHMWPE nanocomposites were prepared by a plate vulcanizing machine and tested with a contact angle micrometer, UMT friction tester, electronic universal testing machine and MicroXAM three-dimensional profilometer to characterise the wettability, ball indentation hardness, creep resistance, compression properties, and friction and wear performance. A scanning electron microscope (SEM) was employed to describe the morphology of the Ag/UHMWPE nanocomposites surfaces following the friction and wear tests. These results demonstrate that the compressive yield strength, ball indentation hardness and creep resistance increased with an increase in the content of silver nanoparticles. The contact angle of the Ag/UHMWPE nanocomposites with bovine calf serum decreases with an increase in the content of silver nanoparticles and this change increases the wettability of the Ag/UHMWPE nanocomposites. Therefore, the friction coefficient decreases, but the wear mechanism changes from scratch and furrow to fatigue flakes when the mass fraction of silver nanoparticles exceeds 0.3%. The composite with a silver nanoparticles mass fraction of 0.3% exhibits a low friction coefficient and good wear resistance.

引用

页码：683 / 688

页数：6

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