Results 11 to 20 of about 266,126 (206)

Rheological and Tribological Properties of Lithium Grease and Polyurea Grease with Different Consistencies

open access: yesCoatings, 2022
The rheological properties of lithium grease and polyurea grease at different temperatures and consistencies were determined with a rotary rheometer. The plateau moduli of the greases were calculated, and the mechanism of influence of consistency and temperature on the rheological properties of the greases was explained.
Wang, Yanshuang   +3 more
openaire   +2 more sources

Tribological Properties of Al2O3 Nanoparticles as Lithium Grease Additives

open access: yesLubricants, 2021
The tribological properties of Lithium grease specimens with different concentrations of Al2O3 nanoparticles were investigated using a pin on disc apparatus under different sliding speeds and normal loads. Results showed that Al2O3 nanoparticles enhanced
Ahmed Nabhan   +4 more
doaj   +2 more sources

Well-Dispersed Graphene Enhanced Lithium Complex Grease Toward High-Efficient Lubrication

open access: yesChinese Journal of Mechanical Engineering, 2023
Graphene as a lubricating additive holds great potential for industrial lubrication. However, its poor dispersity and compatibility with base oils and grease hinder maximizing performance.
Kaiyue Lin   +6 more
doaj   +2 more sources

The Investigation on Rheology and Microstructure for Lithium Complex Grease [PDF]

open access: yesEnergy and Earth Science, 2019
The rheological characteristic parameters of five lithium complex lubricating greases were determined. The comparison of rheological characteristic parameters and microstructure of the five greases was made. The results showed that the knowledge of the rheological properties of lubricating greases may contribute to reflect the change of the thickener ...
Mao Jingjing   +5 more
openaire   +3 more sources

Some azine and azole derivatives as antioxidant additives for lithium lubricating grease [PDF]

open access: yesEgyptian Journal of Petroleum, 2013
Lubricating greases undergo extensive deterioration under the operation conditions and storage. Hydrocarbon chain is one of the major factors resulting in loss of the base fluid quality by formation of products having negative effects on the ...
Reda M. Fikry   +4 more
doaj   +2 more sources

Effects of Adding Lignin on the Performance of Lithium-Based Grease [PDF]

open access: yesCailiao Baohu
To investigate the effect of lignin on the properties of base lithium-based grease,the performance of the grease containing lignin was evaluated using a thermogravimetric analyzer(TGA),a differential scanning calorimeter(DSC),a four-ball friction tester ...
SUN Shuang, SUN Yuchen, WANG Xingwei, ZHANG Chaoyang, CAI Meirong, YU Bo
doaj   +2 more sources

Grease [PDF]

open access: yes, 2022
Everybody has made use of grease in their daily lives. The word “grease” originates from the early Latin word “crassus,” meaning fat. For our purposes, in this Special Issue, we will be focusing on lubricating grease, for publication in the eponymous ...

core   +1 more source

Tribological study on preparation of two- dimensional MoS2 as grease additive by ultrasonic liquid phase stripping

open access: yesCailiao gongcheng, 2023
MoS2 nanosheets with different sizes were prepared by ultrasonic liquid phase stripping and used as additives in lithium grease. The morphology, composition and structure of MoS2 nanosheets were characterized by electron microscopy, Raman spectroscopy, X-
LU Peng   +6 more
doaj   +1 more source

Study on the Properties of Wire Rope Grease Added with Lithium Grease [PDF]

open access: yesPetroleum Science and Engineering, 2019
Hydrocarbon grease is used to lubricate and protect wire rope usually, but there are some problems have been found during lubricating process, such as high and low temperature working conditions resistance and waterproof performance and so on, in this paper we try to employ lithium grease to lubricate wire rope, according to the experiments, it comes a
Liu Lijun   +4 more
openaire   +1 more source

Development of the Method and Optimization of the Composition and Modes of Obtaining the Biodegradable Grease with the Lithium-Calcium Thickener

open access: yesМеханика машин, механизмов и материалов, 2021
It is noted that the development of biodegradable lubricants is an integral part of the development of a modern “green” economy. The distinctive features of the proposed method are described for producing a biodegradable grease on a mixed lithium-calcium
Viktor I. Zhornik   +3 more
doaj   +1 more source

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