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Fatigue crack growth studies on lug joints

Kumar, KS and Dattaguru, B and Ramamurthy, TS and Raju, KN (1997) Fatigue crack growth studies on lug joints. In: 9th International Conference in Fracture (ICF9), Apr 01-05, 1997, Sydney, Australia.

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Abstract

Pin loaded lug joints fitted with different types of pins are analysed in the presence of cracks at pin-plate interface. An algorithm for finite element contact stress analysis of joints developed earlier to deal with varying partial contact/separation at the pin-plate interface using a marching solution is used in the present analysis. Stress Intensity Factors (SIF) at the crack tips are evaluated using Modified Crack Closure Integral (MCCI) method within the realm of Linear Elastic Fracture Mechanics (LEFM) assumptions. A comparison of fatigue crack growth lives between interference and push fit pin joints is carried out using these SIF's. Results from a finite element analysis on a push fit pin joint are used to fit experimental fatigue crack growth data.

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Pergamon Press Ltd.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 15 Mar 2012 07:35
Last Modified: 15 Mar 2012 07:35
URI: http://eprints.iisc.ernet.in/id/eprint/43988

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