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Paper Information

Journal:   JOURNAL OF MODELING IN ENGINEERING   FALL 2010 , Volume 8 , Number 22; Page(s) 0 To 0.
 
Paper: 

NUMERICAL AND EXPERIMENTAL STUDY ON THE EFFECT OF OVERLOAD RATIO ON FATIGUE LIFE

 
 
Author(s):  FOUMANI M.S., SARKHEIL S.*
 
* SHARIF UNIVERSITY OF TECHNOLOGY
 
Abstract: 

Fatigue life and crack growth retardation due to periodic tensile overloads which are superposed on constant amplitude cycles have been investigated. In the numerical analysis the Forman/Mettu equation with the generalized Willenborg model is used. Analyses and experiments are performed on C (T) specimens made of 7075 aluminium. In the experiments and analyses the periodicity of overloads was remained constant and the effect of overload ratio on the fatigue life has been researched. Results of the experiments and analyses reveal that the N/NCA versus OLR curve has a maximum which indicates that there are greater retardation effects in intermediate OLR values. Also the numerical and experimental results show that in occurrence ratio of 1/50 the overload ratio of 1.5 lead to the maximum interaction.

 
Keyword(s): PERIODIC OVERLOADS, FATIGUE CRACK GROWTH, OVERLOAD RATIO, SINGLE OVERLOAD, OCCURRENCE RATIO
 
 
References: 
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Citations: 
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+ Click to Cite.
APA: Copy

FOUMANI, M., & SARKHEIL, S. (2010). NUMERICAL AND EXPERIMENTAL STUDY ON THE EFFECT OF OVERLOAD RATIO ON FATIGUE LIFE. JOURNAL OF MODELING IN ENGINEERING, 8(22), 0-0. https://www.sid.ir/en/journal/ViewPaper.aspx?id=277393



Vancouver: Copy

FOUMANI M.S., SARKHEIL S.. NUMERICAL AND EXPERIMENTAL STUDY ON THE EFFECT OF OVERLOAD RATIO ON FATIGUE LIFE. JOURNAL OF MODELING IN ENGINEERING. 2010 [cited 2021July31];8(22):0-0. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=277393



IEEE: Copy

FOUMANI, M., SARKHEIL, S., 2010. NUMERICAL AND EXPERIMENTAL STUDY ON THE EFFECT OF OVERLOAD RATIO ON FATIGUE LIFE. JOURNAL OF MODELING IN ENGINEERING, [online] 8(22), pp.0-0. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=277393.



 
 
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