Results 31 to 40 of about 139,319 (359)

Flow Characteristics of Oil-Carrying by Water in Downward-Inclined and Horizontal Mobile Pipeline

open access: yesEnergies
After transporting oil with a mobile pipeline, it is necessary to empty the oil within the pipeline. A common method is to inject water into the inlet to push the oil out.
Gang Fang   +5 more
doaj   +1 more source

Effect of Formulation of Li Greases on Their Flow and Ball Bearing Torque

open access: yesTribology Online, 2016
This paper describes a study on the effect of base oil type and thickener type on bearing torques with Li type greases. Using a ball bearing tribometer equipped with a torque sensor, friction torque behaviors were determined for model Li greases with ...
Kazumi Sakai   +5 more
doaj   +1 more source

Acknowledgement to Reviewers of Lubricants in 2019

open access: yesLubricants, 2020
The editorial team greatly appreciates the reviewers who have dedicated their considerable time and expertise to the journal’s rigorous editorial process over the past 12 months, regardless of whether the papers are finally published or not [...]
Lubricants Editorial Office
doaj   +1 more source

Lubrication handbook [PDF]

open access: yes, 1973
Information on lubricants from government reports, military specifications, qualified parts lists, and suppliers of commercial lubricants has been consolidated in one source.
Campbell, M. E., Thompson, M. B.
core   +1 more source

Experimental Evaluation of 100Cr6 Steel Microindented Surfaces Under Lubricated Nonconformal Point Contacts

open access: yesAdvanced Engineering Materials, EarlyView.
The tribological behavior of 100Cr6 steel spheres textured via Vickers microindentation is evaluated under lubricated sliding by varying both dimple size and density. Fine and dense textures significantly reduce friction across all lubrication regimes, while large dimples increase it.
Farideh Davoodi   +3 more
wiley   +1 more source

Liquid cryogenic lubricant [PDF]

open access: yes, 1970
Fluorinated polyethers are suitable lubricants for rolling-element bearings in cryogenic systems. Lubrication effectiveness is comparable to that of super-refined mineral oil lubricants operating at room ...
Dietrich, M. W.   +2 more
core   +1 more source

Low‐Cost, Large‐Scale Nanoporous Metals by Mechanical Alloying, Oxide Reduction, and Dealloying of Powders

open access: yesAdvanced Engineering Materials, EarlyView.
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley   +1 more source

Basic Study of Grease Rheology and Correlation with Grease Properties

open access: yesTribology Online, 2013
Comprehensive interpretations of grease properties are presented. Dropping point, penetration and rheological properties are examined for a wide variety of greases involving both lithium soap greases and diurea greases.
Yoshiyuki Suetsugu   +4 more
doaj   +1 more source

Thermal and Principal Ablation Properties of Carbon-Fibre-Reinforced Polymers with Out-of-Plane Fibre Orientation

open access: yesC, 2021
This work characterises thermal properties of a typical epoxy-based carbon-fibre-reinforced polymer used in aircraft construction, but with an out-of-plane fibre orientation, and assesses its potential as a structural ablative material.
Sebastian Eibl, Thomas J. Schuster
doaj   +1 more source

An innovation integrated approach to testing motorcycle drive chain lubricants [PDF]

open access: yes, 2004
An innovative integrated approach to the testing and comparison of motorcycle drive chain lubricants is presented. This is a novel way of testing the lubrication by using loaded operating chains and sprockets.
Lee, P.M., Priest, M.
core  

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