Results 71 to 80 of about 9,360 (219)

Fluorinated esters of polycarboxylic acids [PDF]

, 1973
Fluorine containing esters of polycarboxylic acids are discussed.
Breed, L. L., Elliott, R. L.
core   +1 more source

Environmentally friendly inorganic lubricating greases enhanced with modified bentonite clay for improved performance and sustainability in the engine industry

Journal of Materials Science: Materials in Engineering
The rapid demands of the engine industry for greases that can perform under a wide range of operating conditions focused on developing environmentally friendly, inorganic lubricating greases free from soap-based components. Utilizing bentonite clay as an
Mustafa G. Hasan, Bashir Y. Al-Zaidi, Zaidoon M. Shakor, Emad N. Al-Shafei   +3 more
doaj   +1 more source

Development of lubricating oils suitable for use with liquid oxidizers Final summary report, 4 Mar. 1968 - 4 Mar. 1969 [PDF]

Lubricating properties and impact stability of polyfluoroalcohol derivatives at low ...
Breed, L. W., Elliott, R. L., Wiley, J. C., Jr.   +2 more
core   +1 more source

Electromechanical rotary actuator operates over wide temperature range [PDF]

, 1969
Electromechanical rotary actuator, which operates over wide temperature range, contains a spring stop which has been calculated to limit internal deceleration loads to a magnitude equal to stall torque.
Sullivan, S. F.
core   +1 more source

Effect of Base Oil Type in Grease Composition on the Lubricating Film Formation in EHD Contacts

Lubricants, 2018
The service life of rolling bearings is significantly affected by the film formation in elastohydrodynamic (EHD) contacts, which depends on the operating conditions, like rotational speed or temperature.
Dennis Fischer, Georg Jacobs, Andreas Stratmann, Gero Burghardt   +3 more
doaj   +1 more source

Polyurea Thickened Lubricating Grease-The Effect of Degree of Polymerization on Rheological and Tribological Properties. [PDF]

Polymers (Basel), 2022
Jopen M, Degen P, Henzler S, Grabe B, Hiller W, Weberskirch R.   +5 more
europepmc   +1 more source

A self-lubricating bearing [PDF]

An improved bearing structure is described which includes a permanently magnetized porous body filled with an interstitial magnetic lubricant for extending the operational life of self-lubricating bearings.
Whitaker, A. F.
core   +1 more source

Lubricant Selection Manual, Phase 3 [PDF]

Future spacecraft must be designated to operate for very long time periods in space. For example, a target goal for the Space Station is 30 years of operation.
Dufrane, K. F., Kannel, J. W., Lowry, J. A.   +2 more
core   +1 more source

Tribological behavior of ZnO-Si3N4 nanoparticles-based lubricating grease

Journal of Experimental Nanoscience, 2018
Currently, nanoparticles have been widely used as lubricant additives, few researches have investigated their applications as additives for lubricating grease.
Qiang He, Anling Li, Zhigang Wang, Yong Zhang, Linghao Kong, Kang Yang   +5 more
doaj   +1 more source

Mechanisms of UK radiometers flown on Nimbus 5 and 6 with particular reference to bearings, pivots and lubrication [PDF]

, 1980
The mechanisms incorporated in the vertical sounding infrared radiometry experiments which were launched on Nimbus 5 in 1972 and on Nimbus 6 in 1975 are discussed. Both use dry lubricants.
Hadley, H.
core   +1 more source