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Hot distortion of bonded sand core

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Hot distortion of bonded sand core Dimensional tolerances in castings, especially for filigree shapes, are very dependent on the distortion of the sand cores used to form the casting contour during the casting process. Despite its importance for casting and component quality, up to now very little effort has been expended to truly understand the behavior of these cores during casting. This situation is changing, especially due to the increasing interest in inorganic binders and the corresponding process changes resulting from a change in binder systems. This work shows the approach to determine the Hot distortion of bonded sand cores during filling. Keywords: Core deformation, Stress, Sand Cores

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