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Pressureless Sintering of Al_2O_3-3Y-8Ce-TZP Ceramic

Yang Gang

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Abstract

The influences of sintering parameters such as temperature and hold time on the mechanical properties of Al 2O 3 3Y 8Ce TZP ceramic fabricated by pressureless sintering are analysed in this paper. The results show that both of the flexure strength ( σ 3b ) and fracture toughness ( K 1c ) of as sintered Al 2O 3 3Y 8Ce TZP ceramic are preferential when the sintering temperature and hold time are 1450℃ and 4h, respectively. Therefore, a preferential pressureless sintering method of Al 2O 3 3Y 8Ce TZP ceramic is proposed.

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What this paper is about

The influences of sintering parameters such as temperature and hold time on the mechanical properties of Al 2O 3 3Y 8Ce TZP ceramic fabricated by pressureless sintering are analysed in this paper. The results show that both of the flexure strength ( σ 3b ) and fracture toughness ( K 1c ) of as sintered Al 2O 3 3Y 8Ce TZP ceramic are preferential when the sintering temperature and hold time are 1450℃ and 4h, respectively. Therefore, a preferential pressureless sintering method of Al 2O 3 3Y 8Ce TZP ceramic is proposed.

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Available abstract

The influences of sintering parameters such as temperature and hold time on the mechanical properties of Al 2O 3 3Y 8Ce TZP ceramic fabricated by pressureless sintering are analysed in this paper. The results show that both of the flexure strength ( σ 3b ) and fracture toughness ( K 1c ) of as sintered Al 2O 3 3Y 8Ce TZP ceramic are preferential when the sintering temperature and hold time are 1450℃ and 4h, respectively. Therefore, a preferential pressureless sintering method of Al 2O 3 3Y 8Ce TZP ceramic is proposed.

Key concepts: Sintering, Materials science, Pressureless sintering, Ceramic, Fracture toughness, Composite material, Toughness

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