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Lubricants 2016, 4(3), 28;

Formation of Anti-Wear Tribofilms via α-ZrP Nanoplatelet as Lubricant Additives

Department of Mechanical Engineering, Texas A & M University, College Station, TX 77843, USA
Shell Technology Center, Houston, TX 77082, USA
Department of Chemistry, Texas A & M University, College Station, TX 77843, USA
Author to whom correspondence should be addressed.
Academic Editors: Antolin Hernández Battez, Rubén González Rodríguez and James E. Krzanowski
Received: 26 April 2016 / Revised: 7 July 2016 / Accepted: 29 July 2016 / Published: 5 August 2016
(This article belongs to the Special Issue Nanoparticles and Ionic Liquids in Lubrication)
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Effective tribofilms are desirable to protect mechanical systems. In the present research, we investigated the formation of a tribofilm through the use of α-ZrP (Zr(HPO4)2·H2O) as an additive. Experiments were conducted on a base oil where 0.2 wt% of the additive was used. Experimental results showed a 50% reduction in friction and a 30% reduction in wear when compared to the base oil containing 0.8 wt% ZDDP. Spectroscopic characterization indicated that the tribofilm consists of iron oxide, zirconium oxide, and zirconium phosphates. The worn surface was seen to be smooth which renders it desirable for bearing systems. View Full-Text
Keywords: nanolubricants; tribofilms; friction; wear nanolubricants; tribofilms; friction; wear

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Dai, W.; Kheireddin, B.; Gao, H.; Kan, Y.; Clearfield, A.; Liang, H. Formation of Anti-Wear Tribofilms via α-ZrP Nanoplatelet as Lubricant Additives. Lubricants 2016, 4, 28.

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