SCREEN PRINTING OF THE PASTES BASED ON BATIO3 NANOPOWDER
Abstract
This article is about the features of screen printing of the pastes based on BaTiO3 nanopowder. It was found, that prints thickness depends on nanopowder content: here, increasing of solid phase content from 10 to 22.56 wt. % led to prints thickening from 1.56 to µm. The optimal rheological behavior of investigated pastes were found to be: thixotropy degree about 0.6 – 0.9 МPа·s and effective viscosity values about 30 – 60 Pа·s at ϒ`= 0.1 s-1 and 1 – 4 Pа·s at shear rate of screen printing process. The optimal squeegee pressure was established about 0.0897 МPа.
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