Research Paper | Mechanical Engineering | China | Volume 4 Issue 5, May 2015
Laser Shock Forming of Titanium Alloy and Its Simulation Using Abaqus Finite Element Software
David Mbukwa
Laser shock forming, LSF, is characterized in non-contact load, high pressure and high strain ratio.This new forming process using laser-induced shock pressure can shape sheet metal without complicated forming equipments. The know-how of the forming process is essential to efficiently and accurately control the deformation of sheet metal.In this paper, a dynamic super-speed forming method driven by laser shock waves.The initial exploration of laser shock forming, LSF is done through bulge testing with specimen using a neodymium -glass laser of pulse energy 10-30 J and duration 20ns (FWHM).The experiment revealed that the plastic deformation during the Laser shock forming is characterized as ultra-high strain rate and is indicated that the plastic deformation increases non-linearly with the increase of the energy density of the laser shock itself.Experiment and numerical simulation are the important approaches for forming analysis.Taken the titanium alloy (T4Ti6Al4V) sheets with a specified thickness as specimen for the experiment, the finite element analysis for laser shock forming was performed. In this paper, a Q-switch NdYAG laser type with a maximum power density of 4.5 GW/ cm2 was used..
Keywords: Laser shock forming, pulse energy, sheet metal, laser-induces shock pressure, plastic deformation
Edition: Volume 4 Issue 5, May 2015
Pages: 1862 - 1866
How to Cite this Article?
David Mbukwa, "Laser Shock Forming of Titanium Alloy and Its Simulation Using Abaqus Finite Element Software", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB154509, Volume 4 Issue 5, May 2015, 1862 - 1866
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