Phosphonium cation-based ionic liquids as neat lubricants: Physicochemical and tribological performance

被引：104

作者：

Hernandez Battez, A. ^{[1
,4
]}

Bartolome, M. ^{[2
]}

Blanco, D. ^{[1
]}

Viesca, J. L. ^{[1
,4
]}

Fernandez-Gonzalez, A. ^{[3
]}

Gonzalez, R. ^{[2
,4
]}

机构：

[1] Univ Oviedo, Dept Construct & Mfg Engn, Asturias, Spain

[2] Univ Oviedo, Dept Marine Sci & Technol, Asturias, Spain

[3] Univ Oviedo, Dept Phys & Analyt Chem, Asturias, Spain

[4] Bournemouth Univ, Fac Sci & Technol, Poole BH12 5BB, Dorset, England

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 95卷

关键词：

Phosphonium ionic liquids; Physicochemical properties; Friction; Wear; ON-STEEL SYSTEM; ROOM-TEMPERATURE; STEEL/STEEL CONTACT; ANTIWEAR ADDITIVES; THERMAL-STABILITY; SURFACE-TENSION; ALUMINUM; FRICTION; BEHAVIOR; ORGANOPHOSPHATE;

D O I：

10.1016/j.triboint.2015.11.015

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper studies physicochemical properties (density, viscosity, corrosion, thermogravimetry, and conductivity) and tribological behavior of five phosphonium cation-based ionic liquids ([P-66614][BEHP], [P-66614][C8C8PO2], [P-66614][NTf2], [P-44414][DBS], and [P-4442][DEP]) as neat lubricants within steel-steel contact. A reciprocating ball-on-disc configuration was used to perform tribological tests. Worn surfaces were analyzed by confocal microscopy, SEM, EDS and XPS. Main results showed that: [P-66614][NTf2], [P-44414][DBS], and [P-4442][DEP] showed corrosion activity; the ionic liquids with more reactive phosphate type anion (P-66614][BEHP] and [P-4442][DEP]) had the best tribological behavior; the best tribological results were related to the tribofilm formation of two phosphate species. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：118 / 131

页数：14

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