Fatigue Life Estimation Models: A State of the Art

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Kamal, M. and M. M., Rahman (2014) Fatigue Life Estimation Models: A State of the Art. International Journal of Automotive and Mechanical Engineering (IJAME), 9 . pp. 1599-1608. ISSN 1985-9325(Print); 2180-1606 (Online)

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Official URL: http://dx.doi.org/10.15282/ijame.9.2014.10.0132

Abstract

In this paper, a state of the art of recently proposed fatigue prediction models has been conducted. The modified Wöhler curve method (MWCM) with a critical plane model utilizing the maximum variance method (MVM), and an endurance function model utilizing a stress invariant are studied for fatigue life evaluation. The results are compared with experimental results as well as results from already established fatigue models using a fatigue life estimation tool. The study shows that new models have good accuracy that is approximately the same as for the established models, and are easy to apply in various conditions like multiaxial and variable amplitude loading conditions, which is a limitation of the older models. It is concluded that the newly formulated models are a promising development and should be studied in detail to make their application simpler with complex real-world problems.

Item Type:Article
Uncontrolled Keywords:Maximum variance method; Modified wholer curve method; Endurance function; Stress invariants; Fatigue life
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Faculty of Mechanical Engineering
ID Code:8177
Deposited By: Professor Dr. Md. Mustafizur Rahman
Deposited On:12 Jan 2015 10:02
Last Modified:09 Aug 2017 12:42

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