Abstract
By using finite element analysis, we proposed an applicable finite element method of laser shock peening (LSP) and discussed various parameters, such as solution time, stability limit, dynamic yield stress, peak pressure, pressure pulse duration, laser spot size, and multiple LSP. The effects of parameters related to the finite element simulation of the LSP process on the residual stresses of 35CD4 30HRC steel alloy are discussed. Parametric sensitivity analyses were performed to establish the optimum processing variables of the LSP process. In addition, we evaluated the effects of initial residual stress, such as welding-induced residual stress field.
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Recommended by Associate Editor Jeong Sam Han
Ju Hee Kim is an assistant professor of the Department of Mechanical Engineering, Korea Military Academy, Seoul, Korea. His main research interests are residual stress analysis for welding and LSP simulation.
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Kim, J.H., Kim, Y.J. & Kim, J.S. Effects of simulation parameters on residual stresses for laser shock peening finite element analysis. J Mech Sci Technol 27, 2025–2034 (2013). https://doi.org/10.1007/s12206-012-1263-0
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DOI: https://doi.org/10.1007/s12206-012-1263-0