Effect of nano-sized TiO2 addition on tribological behaviour of poly ether ether ketone composite

被引：40

作者：

Kurdi, Abdulaziz ^{[1
,2
]}

Wang, Hongjian ^{[1
]}

Chang, Li ^{[1
]}

机构：

[1] Univ Sydney, Sch Aerosp Mech & Mechatron Engn, Ctr Adv Mat Technol, Sydney, NSW 2006, Australia

[2] King Abdulaziz City Sci & Technol, Natl Ctr Bldg Syst, POB 6086, Riyadh 11442, Saudi Arabia

来源：

TRIBOLOGY INTERNATIONAL | 2018年 / 117卷

关键词：

Nanoindentation; TFL; TiO2; nanoparticles; Water lubrication; WATER LUBRICATED PEEK; PPS SLIDING CONTACTS; NANOMETER SIC FILLER; MECHANICAL-PROPERTIES; WEAR PROPERTIES; TRANSFER FILM; FRICTION; EPOXY; POLYETHERETHERKETONE; NANOCOMPOSITES;

D O I：

10.1016/j.triboint.2017.09.002

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Tribological behaviour of poly ether-ether ketone (PEEK) loaded with different amount of titanium oxide (TiO2) nanoparticles were investigated by pin-on-disk test followed by the characterization of associated transfer film layer (TFL) with the help of nanoindentation. PEEK loaded with 5% TiO2 nanoparticles exhibit lowest specific wear rate in both dry and water lubricated conditions mainly due to the formation of characteristic transfer film layers and water lubrication, respectively. Intrinsic molecular structure of PEEK synergise tribological responses when reinforced with nano-particles. The inbuilt nature of PEEK in contact with water cause matrix relaxation which in turn overshadows the benefit of nanoparticles addition beyond 5% in PEEK composite and overall outcome is the inferior wear-rate of PEEK composites compared to dry tests condition.

引用

页码：225 / 235

页数：11

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