摘要:

Several feasible heat source models of the numerical simulation which used to solve the temperature and stress field in the laser cladding are summarized and compared. The heat source can be put on by the finite element method and the process can be realized by numerical software. It is an excellent method to build a numerical model for the laser cladding. Considering the mutual effect of the powder, substrate and lamp-house, a new heat source model is put forward. The discuss on the heat source model of laser cladding helps to build more exact models and study the stress and stain field of the laser cladding deeply.

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