Three-dimensional Finite Element modelling of laser shock peening process

Yang, Chunhui, Hodgson, Peter, Liu, Q. and Ye, L. 2007, Three-dimensional Finite Element modelling of laser shock peening process, Materials science forum, vol. 561-565, pp. 2261-2264.

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Title Three-dimensional Finite Element modelling of laser shock peening process
Author(s) Yang, Chunhui
Hodgson, Peter
Liu, Q.
Ye, L.
Journal name Materials science forum
Volume number 561-565
Start page 2261
End page 2264
Publisher Trans Tech Publications
Place of publication Aedermannsdorf, Switzerland
Publication date 2007-10-02
ISSN 0255-5476
Keyword(s) laser shock peening process
three-dimensional finite element modeling
shock wave
dynamic and residual stress
7075-T7351 aluminum alloy
Summary Laser shock peening (LSP) is an innovative surface treatment technique for metal alloys, with the great improvement of their fatigue, corrosion and wear resistance performance. Finite element method has been widely applied to simulate the LSP to provide the theoretically predictive assessment and optimally parametric design. In the current work, 3-D numerical modelling approaches, combining the explicit dynamic analysis, static equilibrium analysis algorithms and different plasticity models for the high strain rate exceeding 106s-1, are further developed. To verify the proposed methods, 3-D static and dynamic FEA of AA7075-T7351 rods subject to two-sided laser shock peening are performed using the FEA package–ABAQUS. The dynamic and residual stress fields, shock wave propagation and surface deformation of the treated metal from different material modelling approaches have a good agreement.
Language eng
Field of Research 091399 Mechanical Engineering not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2007, Trans Tech Publications
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Collections: Centre for Material and Fibre Innovation
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