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Open AccessArticle

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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Academic Editor: Wen-Hsiang Hsieh
Materials 2015, 8(4), 1738-1751; https://doi.org/10.3390/ma8041738
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)
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
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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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