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The varistor properties of Sc 2 O 3 -doped SnO 2 ·Co 2 O 3 ·Nb 2 O 5 ceramics were investigated. It was found that the non-linear coefficient presents a peak of 17.1 at the concentration of 0.06mol% Sc 2 O 3 , the average grain size decreases from 10 to 5μm, the breakdown electrical field increases from 199 to 1790V/mm and relative...
The corrosion behavior of Y-(α + β)-sialon/TiN materials in hot hydrochloric acidic solutions (80°C) was studied. The effect of TiN on the corrosion behavior of Y-(α + β)-sialon/TiN materials was investigated. The results revealed that the introduction of TiN accelerate the corrosion. With the increasing of TiN content, the α-sialon content on the final composition decreased and more yttrium remains...
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