Microstructure and properties of Cr/sub 2/O/sub 3/ doped lead titanate piezoceramics

The effects of sintering temperature (T sinter ) and sintering time (t sinter ) were investigated for Pb 0⋅95 Sr 0⋅05 (Zr 0⋅53 Ti 0⋅47 )O 3 + x%wtCr 2 O 3 system to determine the optimum regimen of sintering. The study was performed by determining the following parameters: relative density (ρ rel ) and sintering rate (ε . ρ ). The grain size was diminished when small amounts of Cr 2 O 3 were added to system and was enhanced when the sintering temperature and time was increased. The dielectric constant becomes maximum and the electric loss becomes minimum with the sintering temperature of 1290°C. The optimum regimen of sintering is T sinter = 1290°C during 70 min. The piezoelectric properties for the optimum regimen of sintering were studied.

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Effect of sintering condition on properties of Cr-doped Pb0·95Sr0·05(Zr0·53Ti0·47)O3 ceramics

Marrero

Suárez-Gómez

Blesa³

et al. 2009

Bull Mater Sci

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Microstructure and properties of Cr/sub 2/O/sub 3/ doped lead titanate piezoceramics

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Effect of sintering condition on properties of Cr-doped Pb0·95Sr0·05(Zr0·53Ti0·47)O3 ceramics

Effect of sintering condition on properties of Cr-doped Pb0·95Sr0·05(Zr0·53Ti0·47)O3 ceramics

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