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Numerical and experimental investigation of the laser forming process

Numerical and experimental investigation of the laser forming process,10.1016/S0924-0136(98)00367-7,Journal of Materials Processing Technology,An. K.

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Numerical and experimental investigation of the laser forming process   (Citations: 41)
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In this paper numerical and experimental results from an investigation on the laser forming process of metallic plates are discussed. The laser forming process has been simulated numerically, a three-dimensional finite-element algorithm having been developed. The algorithm includes a non-linear transient coupled thermal–structural analysis; the temperature dependency of the thermal and mechanical properties of the material being accounted for. The proposed algorithm is capable of calculating the time-dependent temperatures, stresses and strains during the process as well as of predicting the final shape of steel-plates and sheets. Numerical simulation has been carried out for bending as well as for the forming of sine-shaped plates. Validation of the numerical simulation was made experimentally. An experimental parametric study was performed on one-edge-clamped plates irradiated by a CO2 laser. Good correlation between the numerical simulation and the experimental results was demonstrated.
Journal: Journal of Materials Processing Technology - J MATER PROCESS TECHNOL , vol. 87, no. 1, pp. 281-290, 1999
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