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Issue 10, 1997
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Microwave assisted preparation and sintering of Al2O3, ZrO2 and their composites from metalorganics

Abstract

Controlled pyrolysis of Al(OBus)3 , Zr(OPrn)4 and their mixtures in ethyl acetate induced using microwaves of 2.45 GHz frequency has been carried out. Microwave irradiation yields second-stage precursors for the preparation of respective oxides and their composites. It is observed that the microwave irradiation has a directive influence on the morphology of the ultimate oxide products. Al2O3 , ZrO2 and the two composites 90% Al2O3–10% ZrO2 and 90% ZrO2–10% Al2O3 are also found to be sintered to very high densities within 35 min of microwave irradiation by the use of beta;-SiC as a secondary susceptor.

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Article type: Paper
DOI: 10.1039/A701976I
J. Mater. Chem., 1997,7, 2043-2048

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    Microwave assisted preparation and sintering of Al2O3, ZrO2 and their composites from metalorganics

    B. G. Ravi, P. D. Ramesh, N. Gupta and K. J. Rao, J. Mater. Chem., 1997, 7, 2043
    DOI: 10.1039/A701976I

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