Kinetics and burst phenomenon in ZrO2 transformation

Maiti, H. S. ; Gokhale, K. V. G. K. ; Subbarao, E. C. (1972) Kinetics and burst phenomenon in ZrO2 transformation Journal of the American Ceramic Society, 55 (6). pp. 317-322. ISSN 0002-7820

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The monoclinic-tetragonal transformation in ZrO2 was studied by DTA. The reverse transformation occurs at 850° to 1000° C, depending on the crystallite size, which is a function of the experimental variables. Isothermal kinetics are exhibited by material containing small crystallites; athermal behavior begins to appear as the crystallite size increases. On cooling, strain-free samples undergo a very rapid transformation which is evident as a burst.

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Deposited On:25 Jul 2011 10:35
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