采用MSP方法简便有效地评价了氧化物混合法和机械合金化法制备的PLZT压电陶瓷的破坏强度.MA法制备PLZT陶瓷在较低温度下就能烧结致密,具有较好的化学和结构均匀性.相同温度烧结的PLZT陶瓷不仅比MO方法制备的PLZT陶瓷电学性能好,而且破坏强度也更高.PLZT陶瓷经极化后,破坏强度会下降.
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