压电常数 meaning in English
piezoelectric constant
piezoelectric crystal
Examples
- High piezoelectric constant and dielectric constant piezoelectric ceramic grain which used as functional element were selected , and mixed with polymers in 60 - 70 % volume percent
选择具有高的压电常数和介电常数的压电陶瓷颗粒作为功能相，并以60 70体积分数与聚合物共混。 - The relations between piezoelectric characteristic such as piezoelectric constant , electromechanical coupling coefficient , mechanical quality factor , etc . and its components , granular diameter and manufacturing technology were studied
研究压电材料压电常数、机电耦合系数、机械品质因数等特性与其组份、颗粒直径及制作工艺过程之间的关系。 - The piezoelectric constant ( dji ) changes with the polarization time under saturated electric field . the d33 increases rapidly with the polarization time at the initial stages of polarization , and approaches constant after certain time
在饱和电场( es )下，压电常数( d33 )随极化时间( tp )的变化而变化，极化初期d33随tp的增加而迅速增高；极化一定时间后， d33趋于平缓。 - So it can be used as both sensor component and driving component . pzt have better electromechanical coupling coefficient , piezoelectric constant , mechanical quality factor , curie temperature and stability , etc . so , pzt can be used widely in smart materials and structure
与其它压电陶瓷相比,锆钛酸压电陶瓷( pzt )有较好的机电耦合系数、压电常数、机械品质因数、居里温度和稳定性等,因此, pzt能广泛应用于智能材料结构中。 - Relaxor ferroelectric single crystals , such as pb ( mg1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pmnt ) or pb ( zn1 / 3nb2 / 3 ) - pbtio3 ( abbreviated as pznt ) , have been reported to exhibit an extremely large piezoelectric constant and excellent electrostrictive properties . such excellent performance makes it fully substitute the traditional piezoelectric ceramics and points to a revolution in ultrasonic transducers , actuators and micro - positioners , making relaxor - based piezocrystals the most promising materials for a broad range of advanced applications . however , it is difficult to grow the high quality single crystals because of the lack of valid thermodynamic data
新型弛豫铁电单晶铌镁酸铅(简称pmnt )或铌锌酸铅(简称pznt )是一类新兴的功能材料，其在准同型相界附近具有优于传统压电陶瓷的较高的压电常数和电致伸缩系数，可完全代替传统的压电陶瓷作为超声换能器、致动器、微位移器等，使其成为铁电领域的研究热点，但如何生长出满足应用要求的单晶材料却一直是一个困扰的问题。