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kHz ultrasonic generator, a transducer made of piezoelectric lead zirconate titanate (PZT) crystals, and an amplitude transformer horn. The maximum power of the ultrasonic system was 1 kW......
agent [J]. Ceramics International, 2009, 35(4): 1487-1492. [18] PRABHAKARAN K, JOSEPH K, SOORAJ R, DURGAPRASAD C. Magnesia induced coagulation of aqueous PZT powder suspensions for direct coagulation......
, 2006. [24] 刘 炜. 多孔锆钛酸铅压电陶瓷的制备与性能表征[D]. 太原: 中北大学, 2014. LIU Wei. Preparation and characterization of porous PZT ceramics[D]. Taiyuan: North University of China, 2014. [25] ZHANG Xue-hua, LI Gang......
properties of PZT ceramics [J]. Ceram Int, 2015, 41(2): 2774-2778. [32] WEI D, WANG H. Low-temperature sintering and enhanced piezoelectric properties of random and textured PIN-PMN-PT ceramics with Li2CO3 [J......
体就可以保持光降解活性. FENG等[66]发现具有核-壳结构的PZT/TiO2催化剂在搅拌下承受不同的应力,将在PZT单晶核中产生大小不同的压电场.在紫外线辐射下,TiO2壳纳米颗粒中的自由电子-空穴电荷对被激发,然后载流子穿过TiO2催化剂和溶液之间的能垒以实现氧化还原反应.当对PZT颗粒施加压缩应变时,会产生压电场,极化使TiO2颗粒中自由电荷有效分离.BiFeO3/TiO2核壳纳米复合材料......
温,用于小尺寸陶瓷材料的烧结,连接等非常方便.但是由于单模腔式高温微波冶金反应器腔体体积小,均温区小,只能进行较小尺寸试样的分批微波处理,很难用于大尺寸材料的加工和连续生产,所以其适用范围有限[11, 19].目前,尽管用单模腔式高温微波冶金反应器成功制备了氧化铝,氧化锆,PZT和氮化钒等高技术精细陶瓷材料,但多局限于实验室阶段,工业化微波反应器尚处于探索和研制阶段. 3.2 波导型......
citrate dispersant[J]. Ceramics International, 2010, 36: 1-8. [35] PRABHAKARAN K, JOSEPH K, SOORAJ R, DURGAPRASAD C. Magnesia induced coagulation of aqueous PZT powder suspensions for direct coagulation......
, ZOU Du-jian, WANG Jian-jun, YI Ting-hua. PZT based smart corrosion coupon using electro-mechanical impedance [J]. Mechanical Systems and Signal Processing, 2019, 129: 455-469. [27] JIANG T, HONG Y......
of hydrothermal growth of ferroelectric PZT nanowires [J]. J Cryst Growth, 2012, 347: 1-6. DOI: 10.1016/j.jcrysgro.2012.03.022. [52] AI Z, LU G, LEE S. Efficient photocatalytic removal of nitric oxide......
,例如PbZrTiO3(PZT),BaTiO3(BT)以及BaSrTiO3(BST)等,介电常数通常大于1000,但同时也存在着介电损耗大,抗击穿强度低和加工性差等缺陷[19-22].聚合物(如PP,PVDF等)则通常具有高抗击穿强度,低损耗和优秀的可加工性,但介电常数普遍较低(<10)[16, 20, 24-26].由此可见,单一的传统材料很难同时具有高的介电常数和抗击穿强度. 近年来,随着材料复......