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Low-temperature sintering of PZT with LiBiO 2 as a sintering aid

Takashi Hayashi, Takayuki Inoue, Yoshikazu Nagashima, Jun Tomizawa, Yoshikazu Akiyama

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Abstract

Low-temperature sintering of PZT was studied with the use of LiBiO2 (LBiO) as a sintering aid. PZT powders with LBiO additive were densified at 750°C for 2h to sintered bodies with relative density of 95%. Addition of the sintering aid was effective for improving the sinterability of PZT powders and piezoelectric/ferroelectric properties of PZT ceramics. PZT ceramics with 1 mass% of LBiO additive fabricated at 750°C exhibited an electromechanical coupling factor, kp, of about 65%.

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What this paper is about

Low-temperature sintering of PZT was studied with the use of LiBiO2 (LBiO) as a sintering aid. PZT powders with LBiO additive were densified at 750°C for 2h to sintered bodies with relative density of 95%. Addition of the sintering aid was effective for improving the sinterability of PZT powders and piezoelectric/ferroelectric properties of PZT ceramics. PZT ceramics with 1 mass% of LBiO additive fabricated at 750°C exhibited an electromechanical coupling factor, kp, of about 65%.

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Available abstract

Low-temperature sintering of PZT was studied with the use of LiBiO2 (LBiO) as a sintering aid. PZT powders with LBiO additive were densified at 750°C for 2h to sintered bodies with relative density of 95%. Addition of the sintering aid was effective for improving the sinterability of PZT powders and piezoelectric/ferroelectric properties of PZT ceramics. PZT ceramics with 1 mass% of LBiO additive fabricated at 750°C exhibited an electromechanical coupling factor, kp, of about 65%.

Key concepts: Sintering, Materials science, Piezoelectricity, Ceramic, Composite material, Relative density, Ferroelectricity, Coupling (piping)

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