近年来,性能优异的无铅压电陶瓷因其环境协调性好、污染小而再度成为研究热点.结合近2年来国内外无铅压电陶瓷的研究现状,主要从陶瓷的制备技术方面综述了目前性能最优的BaTiO3和铌酸盐基织构化无铅压电陶瓷的研究进展.重点介绍了制备压电陶瓷的2种新技术,即工程畴形技术(EDC)和局部化学微晶转化法(TMC).针对现今无铅压电陶瓷的种种不足,对今后压电陶瓷的研究方向作了展望.
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