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  1. No Access

    Article

    Pore formation during oxidative annealing of Al2O3 −∶Fe and slowing of grain growth by precipitates and pores

    High-density samples of polycrystalline Al2O3 doped with iron retain their high density when annealed at high temperature in a reducing atmosphere, but pores are formed, both inside grains and at grain boundaries...

    H. A. Wang, F. A. Kröger in Journal of Materials Science (1980)

  2. No Access

    Article

    Conductivity and creep in acceptor-dominated polycrystalline Al2O3

    Ionic and electronic conductivity and compressive creep of hot-pressed polycrystalline acceptor-dominated Al2O3 were measured as a function of oxygen partial pressure and grain size varying from 3 to 200 μm. Hole...

    L. D. Hou, S. K. Tiku, H. A. Wang, F. A. Kröger in Journal of Materials Science (1979)