Nanocomposite and multiphase structures have become more important nowadays to enhance the mechanical properties of materials. Laser shock peening (LSP) is one of the most efficient ways to increase component fatigue life. In this paper, numerical and experimental studies have been carried out to study the effects of nanoparticles integrated structures during the laser shock peening of aluminum alloys. The LSP experiment of aluminum samples with different particle densities was carried out. The effect of nanoparticle on shock wave propagation, plastic deformation, energy absorption, and residual stress magnitude was studied. A qualitative agreement is found between experiment and simulation. The existence of nanoparticles affects the stress wave propagation and increases the ratio of absorbed energy to total energy and thus the magnitude of residual stress of the material after LSP.
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December 2010
Research Papers
Laser Shock Peening of Nanoparticles Integrated Alloys: Numerical Simulation and Experiments
Chang Ye,
Chang Ye
School of Industrial Engineering,
Purdue University
, West Lafayette, IN 47906
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Gary J. Cheng
Gary J. Cheng
School of Industrial Engineering,
e-mail: gjcheng@purdue.edu
Purdue University
, West Lafayette, IN 47906
Search for other works by this author on:
Chang Ye
School of Industrial Engineering,
Purdue University
, West Lafayette, IN 47906
Gary J. Cheng
School of Industrial Engineering,
Purdue University
, West Lafayette, IN 47906e-mail: gjcheng@purdue.edu
J. Manuf. Sci. Eng. Dec 2010, 132(6): 061017 (7 pages)
Published Online: December 21, 2010
Article history
Received:
April 7, 2010
Revised:
November 12, 2010
Online:
December 21, 2010
Published:
December 21, 2010
Citation
Ye, C., and Cheng, G. J. (December 21, 2010). "Laser Shock Peening of Nanoparticles Integrated Alloys: Numerical Simulation and Experiments." ASME. J. Manuf. Sci. Eng. December 2010; 132(6): 061017. https://doi.org/10.1115/1.4003124
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