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首页> 外文期刊>Journal of materials science >Exploration of thermoacoustics behavior of water based nickel ferrite nanofluids by ultrasonic velocity method
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Exploration of thermoacoustics behavior of water based nickel ferrite nanofluids by ultrasonic velocity method

机译：超声速度法探索水性镍铁氧体纳米流体的热声行为

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摘要

Magnetic nanofluids (commonly known as ferrofluids) have captured the great attention of the researchers due to their various kinds of applications such as heat transfer, hyperthermia treatments, targeted drug delivery etc. The present experimental investigations deal with the thermoacoustic behaviour of the water based nanofluids of nickel ferrites. The magnetic nickel ferrite nanoparticles were produced by the simple and inexpensive chemical co-precipitation route. The prepared nanoparticles were exposed to different characterization tools for structural, morphological, compositional and magnetic properties analysis. X-ray diffraction analysis with Rietveld refinement confirmed the single phasic nature with nanometric crystallite size of the prepared nanoparticles. Scanning electron microscope images revealed the spherical and nanocrystalline morphology of the prepared nanoparticles. The M-H plot recorded at room temperature revealed the superparamagnetic nature of the nanoparticles. Further, the co-precipitated nickel ferrite nanoparticles with different concentrations were utilized for the preparation of the water based magnetic nanofluids. Colloidal stability of the prepared nanofluids was analyzed by UV-Vis spectroscopy technique and it revealed the stability over 11 days without separation in phase. The temperature dependent thermoacoustic properties of the prepared nanofluids were analyzed through Ultrasonic Interferometer. The interaction between particle-particle and particle-fluid are explained on the basis of thermo-acoustic parameters.
机译：磁性纳米流体（通常称为铁磁流体）由于其各种应用（例如传热，热疗，靶向药物递送等）而引起了研究人员的极大关注。本实验研究涉及水基纳米流体的热声行为。镍铁氧体。磁性镍铁氧体纳米粒子是通过简单且廉价的化学共沉淀途径生产的。将制备的纳米颗粒暴露于不同的表征工具，以进行结构，形态，组成和磁性能分析。 Rietveld精制的X射线衍射分析证实了所制备纳米颗粒具有纳米微晶尺寸的单相性质。扫描电子显微镜图像揭示了所制备的纳米颗粒的球形和纳米晶体形态。在室温下记录的M-H图揭示了纳米粒子的超顺磁性。此外，具有不同浓度的共沉淀镍铁氧体纳米颗粒被用于制备水基磁性纳米流体。通过UV-Vis光谱技术分析了所制备的纳米流体的胶体稳定性，其显示了在11天内没有相分离的稳定性。通过超声干涉仪分析了制备的纳米流体的温度依赖性热声性质。基于热声参数解释了粒子与粒子之间的相互作用。

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  • 来源
    《Journal of materials science》 |2019年第7期|6564-6574|共11页
  • 作者

    Kharat Prashant B.; More S. D.; Somvanshi Sandeep B.; Jadhav K. M.;

  • 作者单位

    Dr Babasaheb Ambedkar Marathwada Univ, Dept Phys, Aurangabad 431001, Maharashtra, India;

    Deogiri Coll, Dept Phys, Aurangabad 431001, Maharashtra, India;

    Dr Babasaheb Ambedkar Marathwada Univ, Dept Phys, Aurangabad 431001, Maharashtra, India;

    Dr Babasaheb Ambedkar Marathwada Univ, Dept Phys, Aurangabad 431001, Maharashtra, India;

  • 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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