Method for Parameter Determination of Ceramic Products Compression Using the Mounting for Curves Readout

Abstract:

There are given technological factors of pressing of products from ceramic powders. The pressing process is represented as a functional dependence with a set of variables. Four stages of ceramic powders pressing have been found. The method on determination of the pressing parameters of ceramic products using the mounting for curves readout has been shown. Sediment of press powders from clay raw material is determined at different humidity and pressing pressure. The dependence of the physical and mechanical properties of ceramic samples on the humidity content of clay powder and the pressure of raw pressing is established. Compacting pressure values have been found by compression curve when plastic deformation ends and elastic deformations of powder grains start, which corresponds to a translation from the second to the third stage of the pressing process. Areas of rapid deceleration of sagging are in line with the point of the tangent to this curve in the translation from the third to the fourth compression stage have been found. The optimal values of semidry pressing of a ceramic brick have been defined.

• Periodical: Solid State Phenomena (Volume 284)
• Pages: 1024-1029
• DOI: https://doi.org/10.4028/www.scientific.net/SSP.284.1024
• Online since: October 2018
• Authors: O.A. Fomina*, Andrey Yu. Stolboushkin, Mikhail Druzhinin
• Keywords: Ceramic Materials, Clay Raw Materials, Compacting Pressure, Compression Curves, Humidity of Pressing Powder, Method for Determining Optimal Parameters

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