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极化工艺条件
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     After studied on the effects of polarizing factors on the piezoelectric properties in the system,it shows that polarizing temperature range over 80~100℃ and 4 MV/m polarizing electric field are appropriate for gaining better piezoelectric properties.
     同时研究了极化工艺条件对材料压电性能的影响:极化温度保持在80~100℃之间,极化电场强度为4MV/m可以得到较好的压电性能。
短句来源
     (2)The piezoelectric properties of the NBT-based ceramics highly depend on poling field and temperature, while no remarkable effect of poling time on the piezoelectric properties.
     ②极化工艺条件对NBT-KBT体系陶瓷压电性能影响的研究,发现极化电场强度和极化温度对陶瓷的压电性能有较大的影响,而极化时间的影响相对较小。
短句来源
     From the effects of poling technique on the piezoelectric properties in the system,it shows that higher poling electric field and poling temperature are helpful to improve the piezoelectric properties,but too high poling temperature will make the properties become bad because of the depolarization at the high temperature.
     同时研究了极化工艺条件对材料压电性能的影响表明 ,提高极化电场和适当提高极化温度有利于压电性能的提高 ,但过高的温度由于受到材料高温下退极化的影响而导致材料压电性能变差
短句来源
     The effects of contents of PZT and poling conditions on piezoelectric properties of the composites were discussed.
     分析讨论了极化工艺条件和PZT含量对水泥基压电复合材料压电性的影响。
短句来源
     The study on the effects of poling electric field and poling temperature on the piezoelectric properties in the system shows that higher poling electric field and appropriate poling temperature are helpful to improve the piezoelectric properties.
     同时,研究了极化工艺条件对材料压电性能的影响,结果表明,提高极化电场强度、控制适当的极化温度有利于提高材料的压电性能。
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  相似匹配句对
     fermentation technical conditions;
     发酵工艺条件 ;
短句来源
     The main technological conditions were determined.
     确定了主要工艺条件
短句来源
     condition and implement the p.
     条件及 p.
短句来源
     Therein A Let Z be a Banach space, / 6 C(X. R) , satisfying the P. S. condition, Cbe the unique critical value of / in [c, b] C R suppose that all the comsected component of K, are isolated points.
     S. 条件,c是f在[c,b](?)
短句来源
     A STUDY OF THE NONLINEAR POLARIZATION CONDITIONS OF SILICA
     石英玻璃非线性极化条件研究
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The effects of synthetic temperature and firing technique on the structure and piezoelectric properties of Na 0.5 Bi 0.5 TiO 3 system piezoceramics was studied by XRD,SEM and other analytic method.It shows that increasing synthetic temperature is useful for the crystalline formation and proper prologing soaking time is useful for the piezoelectric properties.With increasing the amount of KBT in this system,the higher is the sintering temperature,the narrower is the sintering temperature range.From the...

The effects of synthetic temperature and firing technique on the structure and piezoelectric properties of Na 0.5 Bi 0.5 TiO 3 system piezoceramics was studied by XRD,SEM and other analytic method.It shows that increasing synthetic temperature is useful for the crystalline formation and proper prologing soaking time is useful for the piezoelectric properties.With increasing the amount of KBT in this system,the higher is the sintering temperature,the narrower is the sintering temperature range.From the effects of poling technique on the piezoelectric properties in the system,it shows that higher poling electric field and poling temperature are helpful to improve the piezoelectric properties,but too high poling temperature will make the properties become bad because of the depolarization at the high temperature.

利用XRD、SEM等分析技术 ,研究了Na0 .5Bi0 .5TiO3 -K0 .5Bi0 .5TiO3 系无铅压电陶瓷的合成温度 ,烧成工艺条件对陶瓷晶体结构、压电性能的影响。结果表明 ,合成温度提高有利于主晶相的形成 ,适当延长保温时间有利于材料的压电性能。该体系随着KBT含量的增加 ,烧结温度提高 ,烧结温度范围变窄。同时研究了极化工艺条件对材料压电性能的影响表明 ,提高极化电场和适当提高极化温度有利于压电性能的提高 ,但过高的温度由于受到材料高温下退极化的影响而导致材料压电性能变差

The 0-3 sulphoaluminate cement-based piezoelectric composites were fabricated by compressing technique.The effects of contents of PZT and poling conditions on piezoelectric properties of the composites were discussed.The results show that the piezoelectric properties of composites are improved by increasing the poling field E and poling time t.For the 0-3 sulphoaluminate cement-based piezoelectric composites,the optimum poling field E and poling time t are 4.0 kV/mm and 45 min respectively.The piezoelectric...

The 0-3 sulphoaluminate cement-based piezoelectric composites were fabricated by compressing technique.The effects of contents of PZT and poling conditions on piezoelectric properties of the composites were discussed.The results show that the piezoelectric properties of composites are improved by increasing the poling field E and poling time t.For the 0-3 sulphoaluminate cement-based piezoelectric composites,the optimum poling field E and poling time t are 4.0 kV/mm and 45 min respectively.The piezoelectric constant d_(33), g_(33) and the electromechanical coupling coefficient K_P,K_t of the composites increase rapidly with the increasing of PZT contents. When the content of PZT reaches 85%, K_P and K_t are 28.54% and 28.19% respectively.

 采用压制成型法,以快硬硫铝酸盐水泥为基体制备了水泥基压电复合材料。分析讨论了极化工艺条件和PZT含量对水泥基压电复合材料压电性的影响。结果表明,较高的极化电场强度和较长的极化时间均有利于压电性能的提高,但当极化电场强度和极化时间达到4.0kV/mm和45min后,压电应变常数d33趋于稳定;随着PZT含量的增加,硫铝酸盐水泥基压电复合材料的压电应变常数d33、压电电压常数g33和机电耦合系数KP、Kt均显著增大。当PZT质量分数达到85%时,KP和Kt可达28.54%和28.19%。

The influence of processing factors on phase composition,microstructure and piezoelectric properties of [(Na0.5Bi0.5)0.82(K0.5Bi0.5)0.18]1-xLaxTiO3(x=0~0.1) system lead-free piezoelectric ceramics were investigated by XRD,SEM and other analytic methods. It shows that increasing synthetic temperature to 870 ~ 900℃ is useful to formation of main crystalline phase,and high compact ceramics samples are obtained sintered at 1 130℃. After studied on the effects of polarizing factors on the piezoelectric properties...

The influence of processing factors on phase composition,microstructure and piezoelectric properties of [(Na0.5Bi0.5)0.82(K0.5Bi0.5)0.18]1-xLaxTiO3(x=0~0.1) system lead-free piezoelectric ceramics were investigated by XRD,SEM and other analytic methods. It shows that increasing synthetic temperature to 870 ~ 900℃ is useful to formation of main crystalline phase,and high compact ceramics samples are obtained sintered at 1 130℃. After studied on the effects of polarizing factors on the piezoelectric properties in the system,it shows that polarizing temperature range over 80~100℃ and 4 MV/m polarizing electric field are appropriate for gaining better piezoelectric properties.

利用XRD、SEM等技术分析方法,研究了工艺条件对[(Na0.5Bi0.5)0.82(K0.5Bi0.5)0.18]1-xLaxTiO3(x=0~0.1)无铅压电陶瓷的物相组成、显微结构和压电性能的影响。结果表明:提高合成温度至870~900℃有利于主晶相的形成;在1130℃下烧结可得到高致密样品。同时研究了极化工艺条件对材料压电性能的影响:极化温度保持在80~100℃之间,极化电场强度为4MV/m可以得到较好的压电性能。

 
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