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首页> 外文期刊>Journal of the American Ceramic Society >Effects of Size of Spray-Dried PZT Powder and Dipole Density of Polymer Matrix on the Electrical Properties of PZT/Odd-Odd Nylons 0-3 Composites
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Effects of Size of Spray-Dried PZT Powder and Dipole Density of Polymer Matrix on the Electrical Properties of PZT/Odd-Odd Nylons 0-3 Composites

机译：喷雾干燥的PZT粉末尺寸和聚合物基质的偶极密度对PZT /奇奇尼龙0-3复合材料电性能的影响

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摘要

A series of 0-3 composites of lead zirconate titanate (PZT)/ ferroelectric odd-odd nylons was prepared with variations in the size of PZT powder and in the dipole density of ferroelectric odd-odd nylons. The as-formed PZT powder prepared by a spray-drying technique consists of spherical granules composed of large numbers of interconnected fine particles. Electrical properties of the composites as a function of the size of this particular PZT powder and the dipole density of ferroelectric odd-odd nylons were studied. With the PZT powder sintered at 1100°C, the relative permittivity, polarization, and piezoelectric strain coefficient (d_(33)) of the PZTylon composites increased with increasing powder size of PZT. The electrical properties of the composites also increased as the dipole density of the polymer increased. The PZTylon 57 composite exhibited a high-relative permittivity and piezoelectric strain coefficient d_(33) due to an increase in its dipole density. The optimum relative permittivity and polarization of this composite were obtained by the PZT with an average granule size of 95 um. The highest piezoelectric strain coefficient d_(33) of the 0—3 composite was found at 28 pC/N whereas the relative permittivity was approximately 73.
机译：制备了一系列0-3钛酸锆钛酸铅（PZT）/铁电奇数尼龙的复合材料，其中PZT粉末的尺寸和铁电奇数尼龙的偶极密度均发生变化。通过喷雾干燥技术制备的PZT粉末形式由球形颗粒组成，球形颗粒由大量相互连接的细颗粒组成。研究了该复合材料的电学性质与该特定PZT粉末尺寸以及铁电奇数尼龙的偶极密度的关系。随着PZT粉末在1100°C烧结，PZT /尼龙复合材料的相对介电常数，极化和压电应变系数（d_（33））随着PZT粉末尺寸的增加而增加。随着聚合物的偶极密度增加，复合材料的电性能也增加。 PZT /尼龙57复合材料由于其偶极密度的增加而表现出较高的介电常数和压电应变系数d_（33）。该复合材料的最佳相对介电常数和极化度是通过PZT获得的，平均粒径为95 um。发现0-3复合材料的最高压电应变系数d_（33）为28 pC / N，而相对介电常数约为73。

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  • 来源
    《Journal of the American Ceramic Society》 |2011年第7期|p.2126-2134|共9页
  • 作者

    Atitsa Petchsuk; Wilairat Supmak; Aree Thanaboonsombut;

  • 作者单位

    National Metal and Materials Technology Center, National Science and Technology Development Agency, Pathumthani 12120, Thailand;

    National Metal and Materials Technology Center, National Science and Technology Development Agency, Pathumthani 12120, Thailand;

    National Metal and Materials Technology Center, National Science and Technology Development Agency, Pathumthani 12120, Thailand;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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