Search for dissertations about: "contact fatigue mechanism"
Showing result 1 - 5 of 24 swedish dissertations containing the words contact fatigue mechanism.
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1. A study on contact fatigue mechanisms
Abstract : Surfaces subjected to rolling and sliding contacts maysuffer from contact fatigue. This thesisdeals with solidmechanic aspects of contact fatigue including the descriptionand verificationof explaining mechanisms. The new mechanism forsurface initiated contact fatigue is basedon tensile surfacestresses from local asperity contacts. READ MORE
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2. On the asperity point load mechanism for rolling contact fatigue
Abstract : Rolling contact fatigue is a damage process that may arise in mechanical applications with repeated rolling contacts. Some examples are: gears; cams; bearings; rail/wheel contacts. The resulting damage is often visible with the naked eye as millimeter sized surface craters. READ MORE
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3. Modelling of surface initiated rolling contact fatigue crack growth using the asperity point load mechanism
Abstract : .... READ MORE
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4. Thermal impact on rolling contact fatigue of railway wheels
Abstract : Rolling contact fatigue (RCF) is a very common and costly damage mechanism for rails and wheels. This thesis investigates the influence of combined thermal and mechanical loading on RCF of railway wheels on the basis of numerical predictions. READ MORE
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5. Effects of manufacturing chain on mechanical performance : Study on heat treatment of powertrain components
Abstract : The increasing demands for lightweight designs with high strength call for improved manufacturing processes regarding heat treatment of steel. The manufacturing process has considerable potential to improve the mechanical performance and to obtain more reliable results with less variation. READ MORE