Relationship between Poling Condition and Heat Resisting Properties in Lead Zirconate Titanate (<Special Issue> FERROELECTRIC MATERIALS AND THEIR APPLICATIONS)

概要

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Poling conditions and heat resisting properties were discussed for lead zirconate titanate (PZT) ceramics. High poling (dc field applied from above Curie temperature to below Curie temperature on specimens) and normal poling (dc field applied from below Curie temperature) were applied as poling methods. As a result, high poling was found to give superior heat resisting properties to normal poling. Moreover, distinct domain structures were observed by microstructural analysis in the high poling sample, and it was found that these domain structures remained stable during heat testing. From these results, it was concluded that high poling resulted in a stable domain structure and consequently brought about superior heat resisting properties.
社団法人応用物理学会の論文
1994-09-30