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RESEARCH PRODUCT

Finite-element simulation of residual stress induced by split-sleeve cold-expansion process of holes

Vincenzo NigrelliSalvatore Pasta

subject

business.product_categoryMaterials scienceMetal formingField (physics)business.industryMetals and AlloysProcess (computing)Structural engineeringFastenerIndustrial and Manufacturing EngineeringFinite element methodComputer Science ApplicationsFinite element simulationsymbols.namesakeResidual stressModeling and SimulationCeramics and CompositessymbolsbusinessLagrangian

description

A three-dimensional finite-element simulation was conducted for a split-sleeve cold-expansion process in order to determine the residual stress field around an expanded hole. The commercial FEA software DEFORM-3D™, a Lagrangian implicit code designed for metal forming processes, was used to model the cold-expansion process of a fastener hole. The results show a through-thickness residual stress field in good agreement with the analytical solution developed by Guo. Moreover, the simulation has highlighted the effect of the split sleeve and the plate thickness on the residual stress field. © 2007 Elsevier B.V. All rights reserved.

yearjournalcountryeditionlanguage
2008-08-01Journal of Materials Processing Technology
https://doi.org/10.1016/j.jmatprotec.2007.11.207