Synthesis and Densification of Nanostructured $Al_2O_3-(Zro_2+3%Mol\;Y_2O_3)$ Bioceramics by High-Frequency Induction Heat Sintering

  • Kim, Sug-Won (Division of Advanced Materials Engineering, RIAMD, Chonbuk National University) ;
  • Khalil, Khalil Abdel-razek (Division of Advanced Materials Engineering, RIAMD, Chonbuk National University)
  • Published : 2006.09.24

Abstract

Nanostructured Alumina - 20 vol% 3YSZ composites powder were synthesized by wet-milling technique. The starting materials were a mixture of Alumina micro-powder and 3YSZ nano-powders. Nano-crystalline grains were obtained after 24 h milling time. The nano-structured powder compacts were then processed to full density at different temperatures by high-frequency induction heat sintering (HFIHS). Effects of temperature on the mechanical and microstructure properties have been studied. $Al_2O_3-3YSZ$ composites with higher mechanical properties and small grain size were successfully developed at relatively low temperatures through this technique.

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