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Murthy, A. Ramachandra,Mathew, Rakhi Sara,Palani, G.S.,Gopinath, Smitha,Iyer, Nagesh R. Techno-Press 2015 Structural Engineering and Mechanics, An Int'l Jou Vol.53 No.4
Fracture analysis and remaining life prediction has been carried out for aluminium alloy (Al 2014A) plate panels with concentric stiffener by varying sizes and positions under fatigue loading. Tension coupon tests and compact tension tests on 2014A have been carried out to evaluate mechanical properties and crack growth constants. Domain integral technique has been used to compute the Stress intensity factor (SIF) for various cases. Generalized empirical expressions for SIF have been derived for various positions of stiffener and size. From the study, it can be concluded that the remaining life for stiffened panel for particular size and position can be estimated by knowing the remaining life of corresponding unstiffened panel.
A. Ramachandra Murthy,Rakhi Sara Mathew,G.S. Palani,Smitha Gopinath,Nagesh R. Iyer 국제구조공학회 2015 Structural Engineering and Mechanics, An Int'l Jou Vol.53 No.4
Fracture analysis and remaining life prediction has been carried out for aluminium alloy (Al2014A) plate panels with concentric stiffener by varying sizes and positions under fatigue loading. Tensioncoupon tests and compact tension tests on 2014A have been carried out to evaluate mechanical propertiesand crack growth constants. Domain integral technique has been used to compute the Stress intensity factor(SIF) for various cases. Generalized empirical expressions for SIF have been derived for various positions ofstiffener and size. From the study, it can be concluded that the remaining life for stiffened panel for particularsize and position can be estimated by knowing the remaining life of corresponding unstiffened panel.