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Materials 2015, 8(4), 1738-1751; doi:10.3390/ma8041738

Preparation and Tribological Study of Biodegradable Lubrication Films on Si Substrate

Department of Mechanical Engineering, National Cheng Kung University (NCKU), No.1 University Road, Tainan 70101, Taiwan
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Author to whom correspondence should be addressed.
Academic Editor: Wen-Hsiang Hsieh
Received: 30 January 2015 / Revised: 23 March 2015 / Accepted: 7 April 2015 / Published: 14 April 2015
(This article belongs to the Special Issue Selected Papers from ICETI2014)
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Abstract

A novel method for preparing eco-biodegradable lubricant based on hydroxypropyl methylcellulose (HPMC) via hydration process is demonstrated. The smooth and homogeneous HPMC coating has a uniform thickness (~35 μm). It has been demonstrated that the preparation parameters play a critical role in controlling the lubricating behavior of the coating; in addition, excess HPMC and water concentration suppress the tribology properties. Nevertheless, a remarkable friction-reduction and anti-wear performance has been obtained. Impressively, the preparation parameter of 5% HPMC + 30 mL water significantly improves lubricant performance and durability. A simple approach for the water-degradability evaluation of HPMC is proposed. View Full-Text
Keywords: green; tribology; water-degradable; hydroxypropyl methylcellulose; HPMC; lubrication; friction coefficient; wear; ball-on-disk green; tribology; water-degradable; hydroxypropyl methylcellulose; HPMC; lubrication; friction coefficient; wear; ball-on-disk
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Shi, S.-C.; Huang, T.-F.; Wu, J.-Y. Preparation and Tribological Study of Biodegradable Lubrication Films on Si Substrate. Materials 2015, 8, 1738-1751.

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