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Thermal Properties of Hot Isostatic Pressing Al/B4C Composites with 50wt% B4C Content

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Abstract

The detailed thermal properties and microstructure of Al/B4C composites with 50wt% B4C content were studied. The Al/B4C composites have lower coefficients of thermal expansion compared with aluminum and possess both high thermal and oxidation stability because of the slight weight loss (≤ 3%) in both argon and air atmosphere up to 600 °C. However, the unique features in porosity, composition and microstructure lead to relative low thermal conductivity (15.2 W m−1 K−1 as the maximum) of the obtained Al/B4C composites. In addition, the preliminary compressive test indicates the high compressive strength and typical brittle fracture characteristics.

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Authors and Affiliations

  1. Institute of Materials, China Academy of Engineering Physics, Mianyang, 621908, China

    Chunlei Yan, Yajiang Xian, Liang Long, Peng Luo & Xiaoxuan Pang

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  1. Chunlei Yan
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  2. Yajiang Xian
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  3. Liang Long
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  4. Peng Luo
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  5. Xiaoxuan Pang
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Correspondence to Chunlei Yan or Xiaoxuan Pang.

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Yan, C., Xian, Y., Long, L. et al. Thermal Properties of Hot Isostatic Pressing Al/B4C Composites with 50wt% B4C Content. Trans Indian Inst Met 76, 2615–2623 (2023). https://doi.org/10.1007/s12666-023-02934-0

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  • DOI: https://doi.org/10.1007/s12666-023-02934-0

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