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The lattice distortion of nickel particles generated by spark discharge in hydrocarbon dielectric mediums

机译：碳氢化合物介质中火花放电产生的镍颗粒的晶格畸变

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摘要

Nickel particles were prepared by the ultrasound-aided spark discharge in pure water and hydrocarbons (kerosene and EDM fluid). The element composition and lattice structure were analyzed by EDS and XRD, respectively. The EDS indicated a high-purity powder was generated in pure water. For hydrocarbons, the carbon was detected as the majority impurity dissolved into the Ni interstitial sites, and the quantitative XRD revealed that the peak positions are lower than those of the corresponding perfect Ni crystal. The d-spacing deviation increases with the effect of ultrasound in hydrocarbons, while the distortion is negligible for pure water. We reported the composition, interatomic distances, and distortion of the Ni particles resulting from C doping. These findings revealed a new method to synthesize the solid solution via the spark discharge.
机译：通过在纯水和碳氢化合物（煤油和EDM液）中通过超声辅助火花放电制备镍颗粒。通过EDS和XRD分别分析了元素组成和晶格结构。 EDS表明在纯水中生成了高纯度粉末。对于碳氢化合物，检测到碳是溶解在Ni间隙位置的主要杂质，并且定量XRD显示峰位置低于相应的理想Ni晶体的峰位置。 d间距偏差随着碳氢化合物中超声波的作用而增加，而对于纯净水而言，其变形可以忽略不计。我们报告了由C掺杂导致的Ni颗粒的组成，原子间距离和变形。这些发现揭示了一种通过火花放电合成固溶体的新方法。

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  • 来源
    《Applied Physics》 |2016年第3期|174.1-174.9|共9页
  • 作者

    Yifan Liu; Xianglong Li; Yan Li; Zhankui Zhao; Fushi Bai;

  • 作者单位

    College of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, China;

    College of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, China;

    College of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, China;

    College of Manufacturing Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, China;

    Institute of Dynamics and Vibration Research, University of Hannover, 30167 Hannover, Germany;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
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