Impact of Water on the Rheology of Lubricating Greases


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Greases Impact of Water on the Rheology of Lubricati...

ACCEPTED MANUSCRIPT 1 ACCEPTED MANUSCRIPT Impact of Water on the Rheology of Lubricating Greases F. Cyriac 1, 2, a, P.M. Lugt 2, 3, R. Bosman 2 1Materials innovation institute (M2i), 2628 XG ...

Grease lubrication mechanisms in rolling bearing systems ....

Grease lubrication offers many advantages compared with oil lubrication, but selecting the right grease is complicated. Understanding the lubrication mechanisms will help in selecting the right grease with the right amount for a specific application to meet bearing life expectations.

Lubricants | Special Issue : Lubricating Greases 20...

Dear Colleagues, This Special Issue came as the natural consequence of the great success of the previous Special Issue “Lubricating Greases”. Although lubricating greases are widely used in many specific applications, their market only constitutes a very low percent of the total amount of lubricants processed in the world.

Impact of Water on the Rheology of Lubricating Greases - CO...

The possible ingress of water into the bearing will have a considerable impact not only on this consistency but also on the lubricating ability of the grease. There are numerous applications where water ingress may occur, such as in the steel, food, pulp, and paper industries. Some greases are less sensitive to water than others.

Rheology of lubricating greases modified with reactive NCO ....

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Rheology of oleogels based on sorbitan and glyceryl ....

Rheology of oleogels based on sorbitan and glyceryl monostearates and vegetable oils for lubricating applications. Oleogels based on sorbitan and glyceryl monostearates and different types of vegetable oils, potentially applicable as biodegradable alternatives to traditional lubricating greases, have been studied.

Impact of Water on EHL Film Thickness of Lubricating ....

Although grease can absorb large quantities of water, separation occurs due to pressure and shear, leading to free water. This does not have an impact on the film thickness under fully flooded conditions. However, water does have an effect on the film thickness under starved conditions where the differences are related to the change in oil bleed.

Effect of thermo-mechanical processing on the rheology of ....

Effect of thermo-mechanical processing on the rheology of oleogels potentially applicable as biodegradable lubricating greases ... one of the main problems of very different industrial sectors concerns the impact that process technologies and products cause in the environment. ... The Rheology of Lubricating Greases, ELGI, Amsterdam, The ...

Impact of Water on the Rheology of Lubricating Greases ....

ABSTRACTThe operational life of bearings is often determined by the performance of the lubricating grease. The consistency of the grease prevents it from leaking out of the bearing and provides good sealing properties. The possible ingress of water into the bearing will have a considerable impact not only on this consistency but also on the lubricating ability of the grease.

Impact of Water on the Rheology of Lubricating Greases ....

The possible ingress of water into the bearing will have a considerable impact not only on this consistency but also on the lubricating ability of the grease. There are numerous applications where water ingress may occur, such as in the steel, food, pulp, and paper industries. Some greases are less sensitive to water than others.

Lubricants | Special Issue : Lubricating Greases 20...

Dear Colleagues, This Special Issue came as the natural consequence of the great success of the previous Special Issue “Lubricating Greases”. Although lubricating greases are widely used in many specific applications, their market only constitutes a very low percent of the total amount of lubricants processed in the world.

Modeling of the Non-Linear Rheological Behavior of a ....

Hutton, J. F., 1975, “On Using the Weissenberg Rheogoniometer to Measure Normal Stresses in Lubricating Greases as Examples of Materials Which Have a Yield Stress,” Rheol. Acta, 14, pp. 979–992.

Use of chitin, chitosan and acylated derivatives as thickener ....

and the minimization of the environmental impact caused by industrial waste materials (Lea ... Introduction to rheology of lubricating greases. In C. Balan (Ed ...

Rheological characterization of fumed silica lubricating ....

Lubricating greases have been widely used for rail lubrication systems. For an efficient grease pump design, it is important to study grease shear viscosity and it is also crucial to analyze grease yielding behavior to determine its consistency on rail surface. Among all rheological properties measured through experiments, yield stress is an ...

Influence of Soap Concentration and Oil Viscosity on the ....

The effects that both soap concentration and base oil viscosity exert on the rheology of lubricating greases and its relationship with grease microstructure are discussed in this work. With this aim, different lubricating grease formulations were manufactured by modifying the concentration of lithium 12-hydroxystearate and the viscosity of the base oil, according to an RSM statistical design.

Petroleum Lubricating Oil and Grease Manufacturing ....

Lubricating oil, sometimes simply called lubricant/lube, is a class of oils used to reduce the friction, heat, and wear between mechanical components that are in contact with each other. Lubricating oil is used in motorized vehicles, where it is known specifically as motor oil and transmission fluid.

Modern advancements in lubricating grease technology ....

Modern advancements in lubricating grease technology Modern advancements in lubricating grease technology Lugt, Piet M. 2016-05-01 00:00:00 Grease is one of the major bearing components and the performance of a grease lubricated bearing is strongly determined by the performance of the grease. This paper describes how grease knowledge is linked to improved rolling bearing performance.

Process Temperature Profile and Rheological Properties of ....

Greases are composed by lubricating oil dispersed in a thickener that can be a metal soap, polymers or clays. ... proposing rules to reduce the environmental impact of vessels and boats circulation by obliging them to use ... Process Temperature Profile and Rheological Properties of Greases from Vegetable Oils ...

The Impact of Water on the Yield Stress and Startup Torque ....

Water was found to influence the yield stress and startup torque depending on the operating temperature, grease type, and percentage water in the grease. The Impact of Water on the Yield Stress and Startup Torque of Lubricating Greases: Tribology Transactions: Vol 60, No 5

Impact of Water on EHL Film Thickness of Lubricating ....

In an earlier paper, the authors [] studied the impact of water on the rheology of lubricating greases.The model greases represented the most commonly used thickener–oil systems that are used in rolling bearings.