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Fatigue life predictions of notched members in Arabian Gulf Water

Gasem, Zuhair Mattoug (1992) Fatigue life predictions of notched members in Arabian Gulf Water. Masters thesis, King Fahd University of Petroleum and Minerals.

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The use of empirically developed procedures in fatigue life predictions is current practice for notched members under the joing action of mechanical loads and a corrosive environment. A simple model has been investigated where the total fatigue life of a notched member is considered to be the sum of: crack initiation, and cract propagation lives. The local strain approach has been employed for the crck initiation life estimates. LEFM concept using Paris relationship was used for fatigue crack propagation life estimates. It is shown that the influence of the corrosive environment on fatigue life can be incorporated by determining the relevant material properties in the environment and at the frequency of interest. An experimental program was performed in an attempt to determine the fatigue properties of a modified A1- 2.5 Mg aluminum alloy under constant amplitude cyclic loading. Testing environments include laboratory conditions and Arabian Gulf Water. Fatigue life predictions were compared with experimental data of central notched specimens. Good correlation between the analytical predictions and experimental data was observed.



Item Type:Thesis (Masters)
Date:July 1992
Date Type:Completion
Subjects:Mechanical
Divisions:College Of Engineering Sciences > Mechanical Engineering Dept
Creators:Gasem, Zuhair Mattoug
Committee Advisor:Khan, M. A.
Committee Members:Sheikh, Anwar K. and Ahmed, Zaki
ID Code:9905
Deposited By:KFUPM ePrints Admin
Deposited On:22 Jun 2008 16:51
Last Modified:25 Apr 2011 09:40

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