An article in the Journal of the American Ceramic Society, "Rapid Hot-Pressing of Ultrafine PSZ Powders" (1991, Vol. 74, pp. 1547-1553) considered the microstructure of the ultrafine powder of...

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Extracted text: An article in the Journal of the American Ceramic Society, "Rapid Hot-Pressing of Ultrafine PSZ Powders" (1991, Vol. 74, pp. 1547-1553) considered the microstructure of the ultrafine powder of partially stabilized zirconia as a function of temperature. The data are shown below: ... x = Temperature (°C)|1100 1200 1300 1100 1500 1200 1300 30.8 19.2 6 y = Porosity (%) 13.5 11.4 7.7 3.6 Find an estimate of a2 Input answers up to two decimal places. o= Blank 1