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Characterization of boron carbide particles and its shielding behavior against neutron radiation

机译：碳化硼颗粒的表征及其对中子辐射的屏蔽性能

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摘要

Boron minerals, considered future essential materials, can be used as raw materials in the production of boron carbide. In this study, boron carbide, the hardest material after diamond and cubic boron nitride, is characterized and the neutron shielding behavior is investigated. The characterization and structural evaluation of the boron carbide sample was performed using X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), Fourier Transform Infrared Spectroscopy (FT-IR) and Raman Spectroscopy. In addition, a neutron Howitzer was used to measure the neutron permeability of boron carbide samples of various thicknesses. The sample composed of 12.5 g of boron carbide powder and 3 g of Wax~® had the lowest neutron permeability rate (62.1%). Pellet 3 had the smallest total macroscopic cross section of boron carbide particles, 0.722 ±0.0071 cm~(-1).
机译：硼矿物被认为是未来必不可少的材料，可以用作生产碳化硼的原料。在这项研究中，表征了碳化硼（仅次于金刚石和立方氮化硼的最硬材料），并研究了中子屏蔽行为。使用X射线衍射（XRD），扫描电子显微镜（SEM），能量色散光谱（EDS），傅立叶变换红外光谱（FT-IR）和拉曼光谱进行了碳化硼样品的表征和结构评估。另外，使用中子榴弹炮来测量各种厚度的碳化硼样品的中子渗透率。由12.5 g碳化硼粉末和3 gWax®组成的样品的中子渗透率最低（62.1％）。粒料3的碳化硼颗粒的总宏观截面最小，为0.722±0.0071cm〜（-1）。

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  • 来源
    《Energy Conversion & Management》 |2013年第8期|39-44|共6页
  • 作者

    A. Seyhun Kipcak; Pelin Gurses; Emek M. Derun; Nurcan Tugrul; Sabriye Piskin;

  • 作者单位

    Yildiz Technical University, Department of Chemical Engineering, Esenler, Istanbul, Turkey;

    Yildiz Technical University, Department of Chemical Engineering, Esenler, Istanbul, Turkey;

    Yildiz Technical University, Department of Chemical Engineering, Esenler, Istanbul, Turkey;

    Yildiz Technical University, Department of Chemical Engineering, Esenler, Istanbul, Turkey;

    Yildiz Technical University, Department of Chemical Engineering, Esenler, Istanbul, Turkey;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Boron carbide; XRD; FT-IR; Raman; Neutron permeability;

    机译：碳化硼XRD;红外光谱拉曼中子渗透率;

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