"Influence of Surface to Volume Ratio on the Onset of Power Density and" by Viviana Avila and Rishi Raj
 

Title

Influence of Surface to Volume Ratio on the Onset of Power Density and Full Densification of YSZ

Conference Dates

March 10-15, 2019

Abstract

To establish the effect of sample thickness on the flash onset, we measure the sintering behavior of thin and thick films of 3 mol% yttria, the following is noted. (i) The onset of flash moves to a higher value for the thinner specimens. (ii) The power transition falls within a narrow band when the power is normalized with respect to surface rather than volume. (iii) Sintering of thinner specimens require a higher current density limit. These results point to a deeper significance of black body radiation than its use in estimating the specimen temperature in a steady state of flash.

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