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  1. Journal of the Brazilian Society of Mechanical Sciences and Engineering
  2. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36
  3. Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 2, February 2014
  4. Modeling of residual stress distribution around fastener holes in thin plates after symmetric cold expansion
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Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 40
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 39
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 38
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 37
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 4, October 2014
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 3, May 2014
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 2, February 2014
Surface roughness effect on a magnetic fluid-based squeeze film between a curved porous circular plate and a flat circular plate
Heat transfer to Herschel–Bulkley materials flowing in the entrance of tubes with an imposed wall temperature profile
Optimization of a stochastic dynamical system
Fatigue damage of a drilling tower induced by ocean waves
Analysis of structural reliability from time response using fully probabilistic
Modeling of piezoelectric energy harvesting considering the dependence of the rectifier circuit
Influence of substrate roughness on adhesion of TiN coatings
Multi-objective process optimization of wire electrical discharge machining based on response surface methodology
Simulation machining of titanium alloy (Ti-6Al-4V) based on the finite element modeling
Simulation of the hone broaching process with diamond tools
Wire electrical discharge machining of AA7075/SiC/Al$_{2}$O$_{3}$ hybrid composite fabricated by inert gas-assisted electromagnetic stir-casting process
Investigation of burr formation and surface roughness in drilling engineering plastics
Modeling of residual stress distribution around fastener holes in thin plates after symmetric cold expansion
Influence of friction parameters on springback and bend force in air bending of electrogalvanised steel sheet: an experimental study
Assessment of a transient homogeneous reactor through in situ adaptive tabulation
Thermoanalysis and reaction kinetics of heavy oil combustion
Combustion time of the oxygenated and non-oxygenated fuels in an Otto cycle engine
Experimental study of mixing layer in a closed compound channel
Trap based part feeding system for stacking sector shaped parts
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 36, Issue 1, January 2014
Journal of the Brazilian Society of Mechanical Sciences and Engineering : Volume 35

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Modeling of residual stress distribution around fastener holes in thin plates after symmetric cold expansion

Content Provider SpringerLink
Author Duncheva, G. V. Amudjev, I. M. Maximov, J. T. Ganev, N.
Copyright Year 2013
Abstract The fatigue failure around fastener holes in metal structures is particularly dangerous, since it leads to inevitable accidents. The presence of residual compressive hoop stresses around these holes, imparted by means of mandrel cold working methods closes the existing cracks and impedes the formation of new ones and thereby extends the fatigue life of corresponding component. Although this type of pre-stressing of fastener holes has been of great advantage over recent years it has some disadvantages: significant and nonsymmetrical with respect to the plate middle plane axial gradient of the residual hoop stresses due to axial force flow passing through the plate, considerable surface upset, etc. The article presents a patented method and a tool ensuring symmetric cold hole expansion—introducing near-uniform residual hoop stresses around the hole along its axis having minimized and symmetric gradient with respect to the plate middle plane. Finite element (FE) simulations of the new process have been carried out. The residual stresses and out-of-plane deformations (surface upset) have been analyzed and compared with those obtained by mandrel cold working method and thus the advantages of the patented method have been shown. The symmetric cold expansion process has been realized experimentally and modeling of residual stress distribution around cold expanded holes in carbon steel specimens has been made. The residual hoop stresses have been measured by means of X-ray diffraction technique. The obtained generalized empirical mathematical model of the residual hoop stress distribution is polynomial with respect to the distance from the hole edge and has “coefficients” that are functions of the governing factors. On the basis of the information obtained from FE simulations, suitable fractional factorial experimental design has been synthesized and used for obtaining the polynomial “coefficients”. The verifications of the generalized model prove its authenticity.
Starting Page 355
Ending Page 369
Page Count 15
File Format PDF
ISSN 16785878
Journal Journal of the Brazilian Society of Mechanical Sciences and Engineering
Volume Number 36
Issue Number 2
e-ISSN 18063691
Language English
Publisher Springer Berlin Heidelberg
Publisher Date 2013-09-08
Publisher Place Berlin, Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Cold expansion Residual stress distribution Finite element simulation X-ray diffraction Cold working Carbon steel Mechanical Engineering
Content Type Text
Resource Type Article
Subject Applied Mathematics Industrial and Manufacturing Engineering Automotive Engineering Mechanical Engineering Aerospace Engineering
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