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Densification Behavior of High-Volume-Fraction (B4C + W)-Reinforced Aluminum Matrix Composites Prepared by Hot Pressing

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Book cover Physics and Engineering of Metallic Materials (CMC 2018)

Part of the book series: Springer Proceedings in Physics ((SPPHY,volume 217))

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Abstract

(B4C + W)-reinforced aluminum matrix composite is a new kind of material with excellent mechanical performances and radiation shielding properties. For the lack of aluminum matrix composite shielding materials, which can absorb neutrons with high energy, high volume fraction of B4C and W were investigated by vacuum hot pressing at 600 °C. Scanning electron microscope (SEM), energy dispersive spectroscopy (EDS), and X-ray diffraction (XRD) were conducted to analyze the microstructure and composition of (B4C + W)-reinforced aluminum matrix composites, and the hardness of the composites was obtained by the Vickers hardness tester. The results have shown that a new phase of WAl12 is only founded in the (B4C + W)/2024Al composites. The density and hardness of the (B4C + W)/2024Al composites are higher than that of (B4C + W)/Al composites. Under the circumstance that the matrix is same, the density of samples intends to decrease with the increasing volume of B4C when the volume fraction of W is constant; the density of the samples increases slightly with the decreasing content of W when the volume fraction of B4C is constant.

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Authors and Affiliations

  1. Advanced Electronic Materials Institute, GRIMAT Engineering Institute Co., Ltd., Beijing, 100088, China

    Tiantian Guo, Changhui Mao, Shuwang Ma, Zheng Lv & Guosong Zhang

Authors
  1. Tiantian Guo
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  2. Changhui Mao
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  3. Shuwang Ma
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  4. Zheng Lv
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  5. Guosong Zhang
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Corresponding author

Correspondence to Changhui Mao .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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Guo, T., Mao, C., Ma, S., Lv, Z., Zhang, G. (2019). Densification Behavior of High-Volume-Fraction (B4C + W)-Reinforced Aluminum Matrix Composites Prepared by Hot Pressing. In: Han, Y. (eds) Physics and Engineering of Metallic Materials. CMC 2018. Springer Proceedings in Physics, vol 217. Springer, Singapore. https://doi.org/10.1007/978-981-13-5944-6_48

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  • DOI: https://doi.org/10.1007/978-981-13-5944-6_48

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-5943-9

  • Online ISBN: 978-981-13-5944-6

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