A comprehensive study on the self-lubrication mechanisms of SU-8 composites

被引：6

作者：

Saravanan, Prabakaran ^{[1
]}

Sinha, Sujeet K. ^{[2
]}

Jayaraman, Sundaramurthy ^{[4
]}

Duong, Hai M. ^{[3
]}

机构：

[1] Kyushu Univ, Int Inst Carbon Neutral Energy Res WPI I2CNER, Fukuoka 8190395, Japan

[2] Indian Inst Technol Delhi, Dept Mech Engn, New Delhi 110016, India

[3] Natl Univ Singapore, Dept Mech Engn, Singapore 117576, Singapore

[4] Ngee Ann Polytech, Ctr Innovat, Environm & Water Technol, Singapore 599489, Singapore

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 95卷

关键词：

Composite; Boundary lubrication; PFPE; Self-lubrication; MICROELECTROMECHANICAL SYSTEMS; TRIBOLOGICAL BEHAVIOR; MEMS; COATINGS; SURFACE; PARTS;

D O I：

10.1016/j.triboint.2015.11.044

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Poor tribological properties of SU-8, a promising MEMS structural material, have been recently addressed by developing a perflouropolyether (Z-dol) lubricant droplet-filled SU-8 composite. The composite shows wear durability four orders of magnitude greater than that of SU-8. The chemical reaction between the SU-8 and PFPE molecules and the physical self-lubrication mechanism were found responsible for this dramatic improvement. In this work, the self-lubrication mechanism at the ball-composite interface of SU-8+5 wt% Z-dol composite was further investigated by varying sliding speed. Effects of normal load on the tribological responses of SU-8+5 wt% Z-dol composite was also investigated independently and various possible wear mechanisms are proposed. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：391 / 405

页数：15

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