Research On Deformation Laws Of Induction Heating Steel Plate

The line heating, a very special technology in steel plate forming process, has a broad application in the shipyard to create cured surface of ship structure. Traditional process of ship plates forming use oxy-acetylene torch heating as heating sources. Compare with oxygen-acetylene torch, high frequency induction heating has a lot of advantages. Based on such an engineering background, this subject is aimed at exploring practical ways to apply induction heating in line heating process. In this paper, a lot of research works in theoretic study, numerical simulation and experiments by electromagnetic induction heating were did, the main contents are summarized as follows:1. The temperature field model of steel plates was set up by finite element method, and obtained the distribution law of the plate's partial temperature field under different combination of parameters through analyzing the temperature field of the steel plate.2. Design the inductor by empirical methods, FEM analysis result of temperature field is adopted to modify the parameters of inductor to optimize the inductor design.3. Analyzing the thermal elasto-plastic deformation of the steel plate by numerical simulation using different methods under different combination of parameters. This subject is aimed at exploring the deformation law of the steel plate4. Set up a regression formulation of partial deformation based on lots of high frequency induction heating experiments under different combination of parameters,5. Compared the calculation data of regressive formulation with the experimental date, and validated and analyzed the regression model, and analyzed the causation of error.6. Base on summarize the previous results, pointed out the direction of research work in the future.