Influence of Packing and Parameters of Uniaxial Compaction of Spherical Wax Elements on Stress-Strain State of Compact

Obtaining the desired characteristics of products having complex geometry from compositions comprising powdered dissimilar materials used in the formation of consumable patterns allows the scope of application of specific precision casting methods to be extended. It is established that, when forming compacts having complex configurations using a mixture of wax and water-soluble components, it is impossible to achieve the distribution of properties in the volume of the final product, which determines the change in the geometry of compacts as a result of the elastic response of compacted material. The issue associated with the elastic response of such compacted material can be solved in an experiment, establishing the influence of the initial packing and compacting parameters of wax elements on the stress-strain state of the compact. In the paper, the research results represented as experimental polynomial dependences of stress on deformation in compacted bodies with various initial packing options, deformable plastic and elastic elements, are presented. The means of controlling the dimensional and geometric parameters of the final compacts from wax model materials obtained in the process of uniaxial compaction by regulating its stress-strain state are presented.