Topic
Vibration fatigue
About: Vibration fatigue is a research topic. Over the lifetime, 3460 publications have been published within this topic receiving 46297 citations.
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TL;DR: While the damage models examined show large discrepancies between predicted and actual cycles-to-failure, the fracture model correlates with the test data within a factor of 1.5, the number of cycles to failure was found to be frequency-independent in this range.
37 citations
TL;DR: In this paper, the authors investigated the high cycle fatigue behavior of metals in the case of multiaxial loading where the stresses are of different frequencies and compared the results from tests where the shear and normal stress are of the same frequency and in-phase.
37 citations
01 Jan 1999
TL;DR: In this paper, a frequency domain method was proposed to estimate the high-cycle fatigue damage for multiaxial stresses caused by random vibration, directly from a spectral analysis, based on a new definition of the von Mises stress as a random process.
Abstract: This paper proposes a frequency domain method to estimate the high-cycle fatigue damage for multiaxial stresses caused by random vibration, directly from a spectral analysis. This approach is based on a new definition of the von Mises stress as a random process. It is shown that the approach can be generalized to include a frequency domain formulation of the multiaxial rainflow method for biaxial stress states. The results obtained with both methods are compared. Finally, this paper describes a procedure for the generation of multiaxial stress tensor histories of a given PSD matrix.
37 citations
16 Jan 1995
TL;DR: In this paper, a test program was performed to obtain structural fatigue data for SMT solder joints exposed to a random vibration environment, and a fatigue model was developed that is based on the physics of the problem.
Abstract: Recent trends in reliability analysis of electronics has involved developing structural integrity models for predicting the failure free operating lifetime under vibratory and thermal environmental exposure. This paper describes a test program which was performed to obtain structural fatigue data for SMT solder joints exposed to a random vibration environment. A total of eight printed circuit board specimens with nine surface mounted components were fabricated and tested. Vibration time to failure data for individual solder joints of the SMT components were recorded. These data became the basis for understanding the physics of "why and how" SMT solder joints fail under vibration loading. Using procedures similar to those developed for aerospace structures, a fatigue model was developed that is based on the physics of the problem.
37 citations
TL;DR: In this paper, a numerical model for predicting the probability of subsurface initiated rolling contact fatigue failure in railway wheels subjected to operational loading is presented, where the loading is evaluated through simulations of dynamic train-track interaction incorporating the influence of, e.g., corrugation.
37 citations