Tribology Letters

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Rheology of an Ionic Liquid with Variable Carreau Exponent: A Full Picture by Molecular Simulation with Experimental Contribution
Tribology Letters - Tập 64 - Trang 1-12 - 2016
Nicolas Voeltzel, Philippe Vergne, Nicolas Fillot, Nathalie Bouscharain, Laurent Joly
The rheological behavior of an ionic liquid was investigated by means of molecular dynamics simulations with experimental contribution, under conditions close to those found in the elastohydrodynamic and the very-thin film lubrication regimes. The molecular model was applied to nearly 200 temperature–pressure–shear rate cases, without any parameter adjustment. Experiments were conducted on a rheo...... hiện toàn bộ
Friction and Lubrication of Eye/Lens/Lid Interface: The Effect of Lubricant and Contact Lens Material
Tribology Letters - Tập 71 - Trang 1-18 - 2023
David Nečas, Vlastimil Kulíšek, Petr Štěpán, František Ondreáš, Pavel Čípek, Gloria Huerta-Angeles, Martin Vrbka
Irritation of the eye in the case of contact lens users may imply dry eye syndrome (DES), commonly treated by eye drops. The paper focuses on measuring the friction coefficient with the simultaneous observation of lubricating film formation of the simulated eye/lens/lid interface. The experiments are performed in a pin-on-plate setup under the linear reciprocal motion. The contact is lubricated by...... hiện toàn bộ
Erratum to: On the Correlation Between Mechanical Degradation of Lubricating Grease and Entropy
Tribology Letters - - 2015
Asghar Rezasoltani, M. M. Khonsari
Characterization of Surface Topography from Small Images
Tribology Letters - Tập 61 Số 1 - 2016
Marcin Wolski, Paweł Podsiadło, Gwidon Stachowiak
Shear-Induced Surface-to-Bulk Transport at Room Temperature in a Sliding Metal–Metal Interface
Tribology Letters - Tập 41 - Trang 257-261 - 2010
Octavio J. Furlong, Brendan P. Miller, Wilfred T. Tysoe
Predictions from molecular dynamics (MD) simulations, that sliding at a metal–metal interface causes vortices in the near-surface region that transport atoms from the surface into the subsurface region, is tested experimentally. This is accomplished by rubbing a methyl thiolate overlayer grown on a clean copper foil by exposure to dimethyl disulfide at room temperature. Repeatedly rubbing a 1.27 ×...... hiện toàn bộ
Microstructure and Tribology of Spark Plasma Sintered Fe–Cr–B Metamorphic Alloy Powder
Tribology Letters - Tập 44 Số 2 - Trang 269-278 - 2011
Ahmad A. Sorour, Holger W. Strauss, Richard R. Chromik, Mathieu Brochu
A Quantitative Measurement of Wall Shear Stress Using Electric Capacity Sensing of Nematic Liquid Crystal Coating
Tribology Letters - - 2013
Songpeng Zhang, Xiangjun Zhang, Yu Tian, Yonggang Meng
The measurement of wall shear stress (WSS) still remains a challenge in many fields such as fluid hydrodynamics, microfluidics, or biomechanics. The nematic liquid crystal coating (LCC) is a prospective technique to measure WSS due to its global measurement capability, high resolution, and non-intrusive nature. But its current application based on the optical observation is severely limited by the...... hiện toàn bộ
Comparisons of Slip-Corrected Reynolds Lubrication Equations for the Air Bearing Film in the Head-Disk Interface of Hard Disk Drives
Tribology Letters - Tập 37 - Trang 191-201 - 2009
Du Chen, David B. Bogy
Slip-corrected Reynolds equations have not been widely used in the air bearing simulations for the head-disk interface in hard disk drives since Fukui and Kaneko [Trans ASME J Tribol 110:253–262, 1988] published a more accurate generalized lubrication equation (FK model) based on the linearized Boltzmann equation for molecular gas lubrication. However, new slip models and slip-corrected Reynolds e...... hiện toàn bộ
A Note on the Two-Spring Tomlinson Model
Tribology Letters - Tập 43 - Trang 73-76 - 2011
Pin Lu, Yee Chong Loke, Xiaosong Tang, Sunil S. Kushvaha, Sean J. O’Shea
In this note, quasistatic solutions of a two-mass-two-spring Tomlinson model for atomic force microscopy are derived, and are compared with the corresponding results of the single-spring Tomlinson model. It is clarified that the solutions of the two models are equivalent provided that the effective spring constant is correctly defined. It is also shown that modeling the onset of stick-slip motion ...... hiện toàn bộ
Dòng Chảy Dầu Nhờn Trong Liên Kết Động Lực Elastohydrodynamic Sử Dụng Huỳnh Quang Dịch bởi AI
Tribology Letters - Tập 38 - Trang 207-215 - 2010
T. Reddyhoff, J. H. Choo, H. A. Spikes, R. P. Glovnea
Đã có nhiều tài liệu ghi lại rằng các tham số như độ dày màng và nhiệt độ trong các liên kết EHL có thể được đo lường một cách thực nghiệm bằng cách sử dụng nhiều kỹ thuật khác nhau như giao thoa quang học, siêu âm, điện dung và phát xạ hồng ngoại. Tuy nhiên, rất ít thông tin được biết đến về dòng chảy của dầu nhờn qua các liên kết này. Thông tin về dòng chảy của dầu nhờn sẽ rất có lợi cho việc dự...... hiện toàn bộ
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