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新型加工陶瓷材料的微波加热系统 被引量:3

A New Microwave Heating System for Processing of Ceramics
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摘要 基于圆极化天线原理,建立了一种新型的多模谐振腔加热系统。结构设计中采用3dB电桥及相互垂直的耦合孔,从而在谐振腔内形成极化电磁波,显著改善加热均匀性。与合适的助热保温结构相配合,成功地对ZTA、ZrO2、Si3N4等先进陶瓷进行烧结。建立的加热系统加热效率高,结构简单,操作方便。 A new type of microwave heating system with a multimode cavity was constructed based on the principle of circularly polarized antenna.Polarized electromagnetic fields were formed inside the cavity by the application of a 3dB bridge and two coupling apertures perpendicular to each other,which greatly improved the heating uniformity.Advanced ceramics,such as ZTA,ZrO 2,Si 3N 4,etc. were successfully sintered using the system in combination with a suitable thermal insulator.The new system was characterized by high efficiency,simple construction and good performance.
出处 《微波学报》 CSCD 北大核心 1999年第2期174-178,166,共6页 Journal of Microwaves
基金 国家自然科学基金
关键词 微波加热 多模谐振腔 极化波 陶瓷烧结 Microwave heating,Multimode cavity,Polarized electromagnetic wave,Sintering of ceramics
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  • 1吴苏.陶瓷材料微波加工的研究(博士学位论文)[M].清华大学,1994..

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