Results 41 to 50 of about 472,498 (211)
Tribology letter, 2021 In this article, Lewis acid–base complex of lithium 12-hydroxystearate (LHS) with diboron compound is formed by the introduction of bis(pinacolato)diboron (B 2 Pin 2 ) into lithium grease. The interaction between Lewis acid B 2 Pin 2 and Lewis base RCO 2
J. Ren +4 more
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Experimental Determination of the Coefficient of Friction on a Screw Joint
Applied Sciences, 2022 This paper deals with the coefficient of determination of screw connection friction between the thread and the matrix. The coefficient of friction was measured using a laboratory device with an M20 screw connection without any grease and, subsequently ...
Jozef Mascenik, Tomas Coranic
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EFFECT OF DISPERSING LITHIUM GREASE BY ALUMINUM OXIDE NANOPARTICLES AND CARBON NANOTUBES [PDF]
Journal of the Egyptian Society of Tribology, 2020 The effect of dispersing lithium grease by aluminum oxide (Al2O3) nanoparticles and carbon nanotubes (CNT) on the lubricating properties is discussed. Friction coefficient and wear displayed by the reciprocating sliding of bearing steel ball on aluminum (
A. K. Ameer, W. Y. Ali, N. Elzayady
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INFLUENCE OF DISPERSING LITHIUM GREASE BY HYBRID NANO TITANIUM AND SILICON OXIDES ON FRICTION COEFFICIENT [PDF]
Journal of the Egyptian Society of Tribology, 2018 This paper examines the influence of dispersing lithium grease by hybrid nano titanium and silicon oxides on friction coefficient. Nano titanium, silicon and hybrid nano oxides at five concentration levels were used to disperse the lithium grease ...
Eman Ahmed +3 more
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Observation of Grease Fluidity in a Ball Bearing Using Neutron Imaging Technology
Tribology Online, 2021 The grease fluidity and migration inside a ball bearing has been visualized non-destructively by using a neutron imaging technology. It has been clarified that a lithium (Li) complex grease with lower torque lubricates in the channeling state and that a ...
Kazumi Sakai +4 more
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TRIBOLOGICAL PERFORMANCE OF LITHIUM GREASE DISPERSED BY SILCA NANO PARTICLES AND CARBON NANOTUBES
Journal of the Egyptian Society of Tribology, 2021 The present study deals to evaluate the effect of mixing lithium grease by paraffin oil that dispersed with silicon dioxide (SiO2) nanoparticles and carbon nanotubes (CNT) on the lubricating properties of deep drawing process.
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Industrial Lubrication and Tribology, 2021 Purpose The purpose of this paper is to improve the properties of metal nanoparticles which are easy to agglomerate and hard to disperse evenly, thus limiting the application of metal nanoparticles in grease.
Hong Zhang +3 more
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TechnologiesDeep groove ball bearings are important mechanical elements in the automotive and process industries, particularly in electric motors. One of the primary reasons for their failure is lubricant degradation due to stray shaft current.
S. Bhaumik +6 more
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Some azine and azole derivatives as antioxidant additives for lithium lubricating grease
Egyptian 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
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Effects of Adding Lignin on the Performance of Lithium-Based Grease [PDF]
Cailiao BaohuTo 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
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