Numerical Modelling of Residual Stresses in Spray Forming

    Project Details


    The aim project the project is to describe residual stresses in spray forming with respect to predicting the formation of cracks and the distortion of the prefom. The mathematical description of the temperatures in the deposit will be developed on the basis of a 2-D cylindrical (r,z) finite volume model. The interface between the atomization and the deposition models will be based on a new approach of local droplet distributions at the surface of the preform combined with models for sticking efficiency.
    Based on the calculated temperature and geometry of the spray formed material a 2-D cylindrical (r,z) finite volume model for the stresses and the deformations will be developed as well.
    Effective start/end date01/05/199930/04/2002


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