Parameter Optimization and Precision Control of Water-Soluble Support Cores for Hollow Composite Castings Fabricated by Slurry Microextrusion Direct Forming Method.

The optimization of slurry content and forming process parameters has a significant effect in slurry microextrusion direct forming method. In this article, magnesium sulfate monohydrate (MgSO) and polyvinylpyrrolidone (PVP) were used as raw materials to prepare the slurry, and the component ratios of the slurry and the optimization of its forming process were discussed. The optimum slurry content is 64 wt.