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    STUDIA PHYSICA - Issue no. 1 / 2011  
         
  Article:   XRD AND FTIR INVESTIGATION OF ZIRCONIA-TOUGHENED ALUMINA COMPOSITES.

Authors:  S. CAVALU. 		 
       
         
  Abstract:  Structural effects induced by progressive addition of zirconia to monolithic (100-x)Al2O3•xZrO2 (x ≤ 30 vol%) composites prepared by spark plasma sintering were investigated by X-ray diffraction (XRD) and Fourier Transform Infrared (FTIR) spectroscopy. The relative intensities of XRD peaks corresponding to alumina and zirconia are proportional to Al2O3/ZrO2 ratio of the composite samples. FTIR results inform additionally on the changes occurred in the short range order structure of aluminum atoms in these alumina-zirconia composites.

Keywords: zirconia-toughened alumina; XRD; FTIR. 		 
         
     
         
         
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