Ceramic sintering deformation test fixture and method for testing ceramic slurry sintering deformation coefficients with same

Abstract

The invention discloses a ceramic sintering deformation test fixture and a method for testing ceramic slurry sintering deformation coefficients with the same. The ceramic sintering deformation test fixture comprises a base and two supports integrated with the base, wherein tops of the two supports are formed by joining two slopes in opposite slope directions, and ridges are formed at the joints; the ridges of the tops of the two supports are parallel and are parallel to the bottom surface of the base, and the distance between the ridge of the top of each support and the bottom surface of the base is identical to that between the ridge of the top of the other support and the bottom surface of the base. The test method comprises steps as follows: manufacturing a mold, manufacturing a wet blank, performing drying to manufacture a dry blank, placing the dry blank on the supports performing sintering, measuring and calculation and the like. With the adoption of the fixture and the test method, the deformation coefficients of slurry adopting different formulas can be determined, fluctuation of the deformation coefficients due to differences of samples is avoided, and the fixture can be more accurately used for representing deformation characteristics of the slurry and evaluating and comparing different slurry formulas.

Description

technical field [0001] The invention relates to the field of sanitary ceramics manufacturing, in particular to a ceramic sintering deformation testing device and a method for using the device to test the sintering deformation coefficient of ceramic mud. Background technique [0002] The last process in the production of sanitary ceramics is firing in a kiln. After being fired in a kiln, the mud is porcelainized, and the structure is more dense and hard. During the sintering process of the mud, the fusible and fluxing components in the mud will melt and change from solid phase to liquid phase, and these liquid phases will fill in the gaps between the solid particles of the mud billet and become the driving force for sintering, promoting Mud sintered. However, these liquid phases will also soften the mud body at high temperature, and the mud body is prone to deformation at high temperature. Therefore, it is necessary to choose a reasonable mud formula and kiln firing temperat...

AI Technical Summary

Problems solved by technology

However, these liquid phases will also soften the mud body at high temperature, and the mud body is prone to deformation at high temperature. Therefore, it is necessary to choose a reasonable mud formula and kiln firing temperature to ensure that the mud body can be turned into porcelain as much as possible. Reduce the firing deformation of mud billet

In the prior art, how to characterize the deformation characteristics of mud and effectively test the deformation coefficient of mud to evaluate and compare different mud formulations has always been a difficult problem

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