Hot-forged ferroelectric ceramics of some bismuth compounds with layer structure
作者： K. Sakata , T. Takenaka , K. Shoji
DOI: 10.1080/00150197808237411
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摘要: The presintered layer structure bismuth compounds of PbBi2Nb2O9, Na0.5Bi4.5Ti4O15, PbBi4Ti4O15 and Pb2Bi4Ti5O18 are hot-worked by press forging under the maximum load 200 kg/cm2 at a temperature 1000°C to 1200°C. reduction ratio height is more than 70%. well-oriented polycrystalline samples with an orientation degree 0.8 can be obtained. measured results dielectric ferroelectric properties correlated SEM observations x-ray diffractions.
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