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Full-Text Articles in Mechanical Engineering
Fatigue Life Prediction For Large-Diameter Elastically Constrained Ball Bearings, Jerzy Sawicki, Samuel Johansson, John Rumbarger, Ronald Sharpless
Fatigue Life Prediction For Large-Diameter Elastically Constrained Ball Bearings, Jerzy Sawicki, Samuel Johansson, John Rumbarger, Ronald Sharpless
Jerzy T. Sawicki
The application of large-diameter bearing rings and the thereof inherited low stiffness make them susceptible to local distortions caused by their surrounding structures, which are often under heavy loads. The standard accepted design criteria for these bearings are based on the estimation of the internal load distribution of the bearing, under the assumption of rigid circular and flat supporting structures, that keep the bearing inner and outer races in circular, flat, i.e., not deformed shapes. However, in the presence of structural distortions, the element load distribution can be severely altered and cannot be predicted via the standard design criteria. Therefore, …
Development And Validation Of Probabilistic Fatigue Models Containing Out-Life Suspensions, Noel S. Murray
Development And Validation Of Probabilistic Fatigue Models Containing Out-Life Suspensions, Noel S. Murray
Electronic Theses and Dissertations
Author's abstract: In the area of reliability engineering it is necessary to be confident that a component or system of components will not fail under use for safety and cost reasons. One major mechanism of failure to a mechanical component is fatigue. This is the repetitious motion of loading and unloading of the material, typically below the ultimate tensile strength of the material, which ultimately leads to a catastrophic failure. To ensure this does not happen, engineers design components based on tests to determine the life of these components. These tests are typically conducted on a bench type tester in …