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Experimental studies of the tribological characteristics of two different bearing materials mating with a journal made from hardened steel are described. The test rig is described and illustrated. In the case of journal bearings the material characteristics of the tribosystem are of great importance...
- Availability: Online
- Record type: Abstract
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- Availability: In the library
- Record type: Book
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- Availability: In the library
- Record type: Book
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The incorporation of EHL techniques in machine design processes is reviewed and selection of suitable lubricants to reduce equipment failure, production losses, and maintenance costs is discussed. Equipment for determining optimum film thickness is described and illustrated. Techniques involving mea...
- Availability: Online
- Record type: Abstract
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Mathematical expressions are developed for calculating maximum tensile stress at a friction surface in relation to friction coefficient, coating thickness, contact width, and elastic moduli of coating and substrate. The finite element method is used and the maximum tensile stress is obtained for a v...
- Availability: Online
- Record type: Abstract
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A tribological life test apparatus is described and illustrated. It is used to study a high fraction fluid-based grease that has consistently shown very low life performance. The grease contains a lithium complex soap, a phenolic antioxidant, and a high viscosity polydiene base oil. The procedure is...
- Availability: Online
- Record type: Abstract
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- Availability: In the library
- Record type: Book
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- Availability: In the library
- Record type: Book
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Elastohydrodynamic lubrication (EHL) is reviewed for rolling and sliding contacts. Applications in roller and ball bearings, gears, cams and cam-followers, and traction drives are described and illustrated. Advantages and disadvantages of EHL are discussed and the mechanism involved in the protectio...
- Availability: Online
- Record type: Abstract
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A ball-on-rod test machine is described and illustrated. This is used to evaluate the rolling contact fatigue (RCF) of steels for bearing applications. Data on test conditions and material properties are tabulated. Tests are carried out at two contact stress levels. Results show that lowering the co...
- Availability: Online
- Record type: Abstract