Miniaturisation and Nanotechnology: Sintered Steels Modified with MoS^sub 2^ Nanoparticles

Sintered steels find increasing application as bearings and gears due to economical and technical reasons. Materials used for making these machine elements need to have high strength, good wear resistance and low coefficient of friction. The technology of PM sleeve manufacturing and nanoparticles so...

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Published inEuropean Congress and Exhibition on Powder Metallurgy. European PM Conference Proceedings p. 1
Main Authors Weinert, H, Leshchynsky, V
Format Conference Proceeding
LanguageEnglish
Published Shrewsbury The European Powder Metallurgy Association 01.01.2014
Subjects
Bearings
Load
Lubricants & lubrication
Nanotechnology
Oxidation
Powder metallurgy
Sintering
Solid lubricants
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Abstract Sintered steels find increasing application as bearings and gears due to economical and technical reasons. Materials used for making these machine elements need to have high strength, good wear resistance and low coefficient of friction. The technology of PM sleeve manufacturing and nanoparticles solid lubricant modification is described. The results of the friction tests reveal about achievement of quasi-hydrodynamic lubrication regime of PM bearing. The lowest friction coefficient is found to be f=0.04 at the 500°C. The great effect of wear rate diminishing is obtained at 300-500°C due to preservation of interaction of microasperities at sliding interface in quasi-hydrodynamic lubrication regime. The real application cases of PM sliding bearings with solid lubricant nanoparticles will be presented
AbstractList Sintered steels find increasing application as bearings and gears due to economical and technical reasons. Materials used for making these machine elements need to have high strength, good wear resistance and low coefficient of friction. The technology of PM sleeve manufacturing and nanoparticles solid lubricant modification is described. The results of the friction tests reveal about achievement of quasi-hydrodynamic lubrication regime of PM bearing. The lowest friction coefficient is found to be f=0.04 at the 500°C. The great effect of wear rate diminishing is obtained at 300-500°C due to preservation of interaction of microasperities at sliding interface in quasi-hydrodynamic lubrication regime. The real application cases of PM sliding bearings with solid lubricant nanoparticles will be presented
Author Weinert, H
Leshchynsky, V
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SubjectTerms Bearings
Load
Lubricants & lubrication
Nanotechnology
Oxidation
Powder metallurgy
Sintering
Solid lubricants
Title Miniaturisation and Nanotechnology: Sintered Steels Modified with MoS^sub 2^ Nanoparticles
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