稀有金属材料与工程
稀有金屬材料與工程
희유금속재료여공정
RARE METAL MATERIALS AND ENGINEERNG
2009年
z2期
226-229
,共4页
褚祥诚%邬军飞%徐之涵%李龙土
褚祥誠%鄔軍飛%徐之涵%李龍土
저상성%오군비%서지함%리룡토
多层压电陶瓷变压器%共烧%疲劳%振动模式
多層壓電陶瓷變壓器%共燒%疲勞%振動模式
다층압전도자변압기%공소%피로%진동모식
piezoelectric transformer%co-fired%fatigue%vibration mode
低温共烧多层压电陶瓷变压器具有体积小、转换效率高、升压比高、无电磁辐射等优点,是传统电磁变压器在小功率仪器设备上理想的替代品.采用Pb(Mg_(1/3)Nb_(2/3))O_3-Pb(Ni_(1/3)Nb_(2/3))O_3-Pb(ZrTi)O_3低烧瓷料,通过干法流延多层叠印技术制备出高性能多层压电陶瓷变压器样品,内电极银钯浆配比7:3.利用Polytec300-F扫描激光测振仪测试了多层压电陶瓷变压器沿长度伸缩振动的位移和模态.通过对压电变压器振动性能和升压比的测试,研究了器件性能衰减及疲劳特性.
低溫共燒多層壓電陶瓷變壓器具有體積小、轉換效率高、升壓比高、無電磁輻射等優點,是傳統電磁變壓器在小功率儀器設備上理想的替代品.採用Pb(Mg_(1/3)Nb_(2/3))O_3-Pb(Ni_(1/3)Nb_(2/3))O_3-Pb(ZrTi)O_3低燒瓷料,通過榦法流延多層疊印技術製備齣高性能多層壓電陶瓷變壓器樣品,內電極銀鈀漿配比7:3.利用Polytec300-F掃描激光測振儀測試瞭多層壓電陶瓷變壓器沿長度伸縮振動的位移和模態.通過對壓電變壓器振動性能和升壓比的測試,研究瞭器件性能衰減及疲勞特性.
저온공소다층압전도자변압기구유체적소、전환효솔고、승압비고、무전자복사등우점,시전통전자변압기재소공솔의기설비상이상적체대품.채용Pb(Mg_(1/3)Nb_(2/3))O_3-Pb(Ni_(1/3)Nb_(2/3))O_3-Pb(ZrTi)O_3저소자료,통과간법류연다층첩인기술제비출고성능다층압전도자변압기양품,내전겁은파장배비7:3.이용Polytec300-F소묘격광측진의측시료다층압전도자변압기연장도신축진동적위이화모태.통과대압전변압기진동성능화승압비적측시,연구료기건성능쇠감급피로특성.
The multilayer piezoelectric transformer (MPT) has features such as small compact, high efficiency, high step-up ratio, absence of electromagnetic, etc. So it is an ideal substitution for power supplies based on conventional electromagnetic transformer in small-sized electronic instruments. In this paper, using tape casting technology and Pb(Mg_(1/3)Nb_(2/3))O_3-Pb (Ni_(1/3)Nb_(2/3))O_3-Pb(ZrTi)O_3 piezoelectric material, multilayer piezoelectric transformer prototypes were sintered and fabricated. The prototypes were co-fired using 70/30 Ag-Pb internal electrodes. Using Polytec300-F Vibrometer, the vibration mode and displacement in the longitudinal direction were measured. Vibration behavior and transformation ratio of the prototypes were tested to investigate the performance degeneration and fatigue of MPT.
