Method for Determining the Thermal State of the Cylinder Sleeve During Centrifugal Induction Sintering

The temperature distribution in the ship engine cylinder sleeve during its heating and cooling is one of the most important factors affecting formation of the structure and properties of coatings in the process of cylinder recovery by the method of induction centrifugal sintering. The article discusses experimental studies, which allow presenting graphs of the temperature distribution over the diameters of the ship engine cylinder sleeve during its heating and cooling. The thermophysical properties of the sleeve were found to significantly affect the process of sintering powder materials. By varying the heating rate, it is possible to obtain coatings at different temperatures and sintering time. Modeling the temperature distribution in the wall of the cylinder sleeve during centrifugal induction sintering depending on the sintering time is of interest as well as taking into account the geometrical parameters of the sleeve, heat transfer, thermal conductivity, sleeve material, ambient temperature, etc. Expressions are obtained for determining the temperature distribution in the wall of the cylinder sleeve during induction centrifugal sintering. Using the obtained formulas, it is possible to simulate and obtain in advance the temperature distribution in the wall of the cylinder sleeve by setting the values of the parameters of centrifugal induction sintering. Modeling in the Autodesk Fusion 360 the temperature distribution in the sleeve during induction heating was obtained as well as visual display of the change in the temperature field in the sleeve during induction heating.

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