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(Na,K)NbO_3基无铅压电陶瓷的研究进展 被引量:33

ADVANCES IN RESEARCHES ON (Na,K)NbO_3-BASED LEAD-FREE PIEZOELECTRIC CERAMICS
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摘要 本文主要综述近几年来国内外有关(Na,K)NbO3基无铅压电陶瓷体系的加压固相烧结技术、液相助烧致密化技术、掺杂改性、相结构调控以及相关机理研究方面的研究进展和动向,并展望该陶瓷体系在医疗超声换能器技术方面的应用前景。 This paper mainly reviews recent advances in development of(Na,K)NbO3-based lead-free piezoceramic system,including the pressurized solid-state sintering process,liquid-phase-assisted sintering process,chemical composition modification,phase structure controlling,and related mechanism studies.In addition,the application perspectives on(Na,K)NbO3-based lead-free piezoceramics for medical ultrasonic transducers are also introduced.
出处 《硅酸盐学报》 EI CAS CSCD 北大核心 2010年第3期510-520,共11页 Journal of The Chinese Ceramic Society
基金 国家自然科学基金(50772050 50921061) 国家"973"重点基础研究发展(2009CB623304)资助项目
关键词 无铅压电陶瓷 铌酸钠钾 钙钛矿 铁电体 容差因子 综合评述 lead-free piezoelectric ceramics potassium and sodium niobate perovskite ferroelectrics tolerance factor review
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参考文献127

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