Validation of Micro-Slip in Interference Fitted Shafts Subject to Complex Loading Regimes

Martin McMillan; Julian D. Booker; David John Smith

doi:10.4028/www.scientific.net/AMM.70.351

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 70Validation of Micro-Slip in Interference Fitted...

Validation of Micro-Slip in Interference Fitted Shafts Subject to Complex Loading Regimes

Abstract:

The intention of the present work reported is to provide a detailed characterisation of the factors that contribute to failure of interference fitted joints under combined axial and torsional loading conditions and to provide analytical and finite element based simulations of the slip propagation and interfacial stresses leading to a failure envelope indicating the limits of each loading component in service to avoid premature failure. Small scale tests are conducted to examine failure torque and failure load separately before combined loading regimes are applied. The experimental tests are used to validate each stage of model development and the key parameters such as interference are measured under test conditions for use in the simulation models. The measured probabilistic variation in manufactured specimens will allow parametric studies to be carried out using finite element analysis and ultimately, provide a more comprehensive, validated approach for interference fit design.

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Periodical:

Applied Mechanics and Materials (Volume 70)

Pages:

351-356

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.70.351

Citation:

Cite this paper

Online since:

August 2011

Authors:

Martin McMillan, Julian D. Booker, David John Smith

Keywords:

Complex Loading, Experimental Validation, Finite Element Analysis (FEA), Interference Fit, Simulation

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